All tools A–Z
The full Toolsvine catalogue: 1,999 tools across 42 categories. Live tools link straight to their pages; planned tools show their category. Use the search (press /) to find a tool by name.
140 tools are live now and link to their tool pages. The rest of the catalogue goes live in batches — each tool is published only when it is fully working.
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.env to JSON
Convert .env into JSON.
.gitignore Generator
Combine gitignore templates.
.htaccess Generator
Redirects, HTTPS, caching rules.
1
1099 vs W-2 Take-Home Comparison
Compare contractor vs employee pay after taxes.
2
2FA QR Code Generator
Make otpauth:// QR codes.
3
301 Redirect Code Generator
301 Redirect Code Generator — no API, works on pasted data.
3D Surface Plotter
3D Surface Plotter with step-by-step working.
3GP to AVI Converter
Convert 3GP video to AVI entirely in the browser.
3GP to GIF Converter
Convert 3GP video to GIF entirely in the browser.
3GP to MKV Converter
Convert 3GP video to MKV entirely in the browser.
3GP to MOV Converter
Convert 3GP video to MOV entirely in the browser.
3GP to MP4 Converter
Convert 3GP video to MP4 entirely in the browser.
3GP to WebM Converter
Convert 3GP video to WebM entirely in the browser.
4
401(k) Employer Match Calculator
See how much free money your employer match adds.
5
529 College Savings Calculator
Project 529 plan savings for college.
A
A/B Test Sample Size Calculator
A/B Test Sample Size Calculator for campaign planning and reporting.
A/B Test Significance Calculator
A/B Test Significance Calculator for campaign planning and reporting.
A1Z26 Cipher
Letters to numbers 1-26.
AAC to M4A Converter
Convert AAC audio files to M4A with bitrate options.
AAC to MP3 Converter
Convert AAC audio files to MP3 with bitrate options.
AAC to OGG Converter
Convert AAC audio files to OGG with bitrate options.
AAC to WAV Converter
Convert AAC audio files to WAV with bitrate options.
Abacus Simulator
Abacus Simulator — printable or interactive, no login.
AC Tonnage (BTU) Calculator
AC Tonnage (BTU) Calculator with formula shown.
Acceleration Calculator
Acceleration Calculator with formula shown.
Accelerometer Test
Show motion sensor data.
Accessible Color Suggester
Accessible Color Suggester — copy HEX, RGB, HSL and CSS variables.
Acre to Hectare
Area converter: Acre to Hectare with formula and conversion table.
Acre to Square Foot
Area converter: Acre to Square Foot with formula and conversion table.
Acre to Square Meter
Area converter: Acre to Square Meter with formula and conversion table.
Ad Budget Calculator
Ad Budget Calculator for campaign planning and reporting.
Ad Copy Character Counter (Google/Meta)
Ad Copy Character Counter (Google/Meta) for campaign planning and reporting.
Add Audio to Video
Replace or add a music track.
Add Border to Image
Add solid or rounded borders and padding.
Add Header & Footer to PDF
Add custom header/footer text.
Add Image to PDF
Insert a logo or picture on pages.
Add Line Breaks
Insert breaks after N characters or punctuation.
Add Page Numbers to PDF
Insert page numbers with position options.
Add Prefix/Suffix to Lines
Add text to start/end of each line.
Add Subtitles to Video (Burn-in)
Hard-code SRT subtitles.
Add Text to Image
Write styled text on photos.
Add Text to Video
Overlay titles and captions.
Add Watermark to PDF
Stamp text or image watermark on pages.
Add Watermark to Video
Overlay logo or text on video.
Add/Subtract Days to Date
Add/Subtract Days to Date — runs entirely offline.
Addition Worksheet Generator
Make printable addition worksheets with answer keys.
AES Text Encrypt/Decrypt
AES-GCM encryption with a password.
Agenda Maker
Agenda Maker — data stays on your device.
AI Background Remover
AI Background Remover — model downloads once and runs on the user's device.
AI Chatbot (WebLLM, Runs Locally)
AI Chatbot (WebLLM, Runs Locally) — model downloads once and runs on the user's device.
AI Code Explainer (WebLLM)
AI Code Explainer (WebLLM) — model downloads once and runs on the user's device.
AI Depth Map Generator
AI Depth Map Generator — model downloads once and runs on the user's device.
AI Document Q&A (Local PDF)
AI Document Q&A (Local PDF) — model downloads once and runs on the user's device.
AI Face Detector
AI Face Detector — model downloads once and runs on the user's device.
AI Grammar Corrector (Small Model)
AI Grammar Corrector (Small Model) — model downloads once and runs on the user's device.
AI Image Captioning
AI Image Captioning — model downloads once and runs on the user's device.
AI Image Classifier
AI Image Classifier — model downloads once and runs on the user's device.
AI Image Segmentation
AI Image Segmentation — model downloads once and runs on the user's device.
AI Image Similarity Search (Local Folder)
AI Image Similarity Search (Local Folder) — model downloads once and runs on the user's device.
AI Image Upscaler
AI Image Upscaler — model downloads once and runs on the user's device.
AI Keyword Extractor
AI Keyword Extractor — model downloads once and runs on the user's device.
AI Language Detector
AI Language Detector — model downloads once and runs on the user's device.
AI Meta Description Writer (WebLLM)
AI Meta Description Writer (WebLLM) — model downloads once and runs on the user's device.
AI Named Entity Extractor
AI Named Entity Extractor — model downloads once and runs on the user's device.
AI Noise Suppression
AI Noise Suppression — model downloads once and runs on the user's device.
AI Object Detection
AI Object Detection — model downloads once and runs on the user's device.
AI OCR Handwriting (TrOCR)
AI OCR Handwriting (TrOCR) — model downloads once and runs on the user's device.
AI Paraphraser (WebLLM)
AI Paraphraser (WebLLM) — model downloads once and runs on the user's device.
AI Photo Colorizer (Old B/W Photos)
AI Photo Colorizer (Old B/W Photos) — model downloads once and runs on the user's device.
AI Pose Estimation
AI Pose Estimation — model downloads once and runs on the user's device.
AI Question Answering (on Your Text)
AI Question Answering (on Your Text) — model downloads once and runs on the user's device.
AI Sentiment Analyzer
AI Sentiment Analyzer — model downloads once and runs on the user's device.
AI Speech to Text (Whisper)
AI Speech to Text (Whisper) — model downloads once and runs on the user's device.
AI Text Embeddings & Similarity
AI Text Embeddings & Similarity — model downloads once and runs on the user's device.
AI Text Summarizer
AI Text Summarizer — model downloads once and runs on the user's device.
AI Text to Speech (Kokoro/Piper)
AI Text to Speech (Kokoro/Piper) — model downloads once and runs on the user's device.
AI Title Generator (WebLLM)
AI Title Generator (WebLLM) — model downloads once and runs on the user's device.
AI Translator (Offline)
AI Translator (Offline) — model downloads once and runs on the user's device.
AI Zero-shot Text Classifier
AI Zero-shot Text Classifier — model downloads once and runs on the user's device.
Alabama Sales Tax Calculator
Add or remove Alabama sales tax (state + local rate) from any price.
Alarm Clock (Browser)
Alarm Clock (Browser) — runs entirely offline.
Alaska Sales Tax Calculator
Add or remove Alaska sales tax (state + local rate) from any price.
Algebra Simplifier
Algebra Simplifier with step-by-step working.
Alphabet Tracing Worksheet
Alphabet Tracing Worksheet — printable or interactive, no login.
Alternate & Mix PDF
Interleave pages of two PDFs (front/back scans).
aLtErNaTiNg CaSe Converter
Alternate letter casing.
Amazon Product Image Resizer
Crop and resize any image to the exact Amazon Product Image size.
Amazon Seller Profit Calculator
Estimate profit after Amazon referral and FBA fees.
AMR to AAC Converter
Convert AMR audio files to AAC with bitrate options.
AMR to M4A Converter
Convert AMR audio files to M4A with bitrate options.
AMR to MP3 Converter
Convert AMR audio files to MP3 with bitrate options.
AMR to OGG Converter
Convert AMR audio files to OGG with bitrate options.
AMR to WAV Converter
Convert AMR audio files to WAV with bitrate options.
Anagram Solver
Find anagrams from a word list.
Analogous Color Generator
Analogous Color Generator — copy HEX, RGB, HSL and CSS variables.
Anchor Text Ratio Analyzer (CSV)
Anchor Text Ratio Analyzer (CSV) — no API, works on pasted data.
Angle Converter (All Units)
Convert between all angle units instantly with a live table.
Animated GIF Maker
Make GIFs from multiple images.
Anniversary Calculator
Anniversary Calculator — runs entirely offline.
Annotate PDF
Highlight, draw and comment on PDFs.
Annulus (Ring) Area Calculator
Find the area of a annulus (ring) with steps.
ANOVA Calculator
ANOVA Calculator for pasted data.
API Key Generator
Random secure API keys.
APNG Maker
Create animated PNG files.
App Icon Generator
Generate iOS/Android icon sets from one image.
APR Calculator
APR Calculator with charts and breakdown.
Arc Length Calculator
Arc Length Calculator with step-by-step working.
Area Converter (All Units)
Convert between all area units instantly with a live table.
Argon2 Hash Generator
Generate a Argon2 hash from text instantly.
Arithmetic Sequence Calculator
Arithmetic Sequence Calculator with step-by-step working.
Arizona Sales Tax Calculator
Add or remove Arizona sales tax (state + local rate) from any price.
Arkansas Sales Tax Calculator
Add or remove Arkansas sales tax (state + local rate) from any price.
Article Schema Generator
Article Schema Generator — no API, works on pasted data.
ASCII Table
Full ASCII chart with codes.
Aspect Ratio Box Generator
Aspect Ratio Box Generator with live preview and copy-ready code.
ASS to SRT Subtitle Converter
Convert ASS subtitle files to SRT.
ASS to VTT Subtitle Converter
Convert ASS subtitle files to VTT.
Atbash Cipher
Reverse-alphabet cipher.
Attendance Sheet Maker
Customize and print or download attendance sheet as PDF.
Audio Bitrate Changer
Re-encode at lower/higher bitrate.
Audio Converter to Mono/Stereo
Change channel layout.
Audio Duration Calculator (Batch)
Sum durations of many audio files.
Audio Equalizer
Adjust bass, mid, treble and export.
Audio Fade In/Out
Add fades to audio.
Audio Joiner
Merge multiple audio files.
Audio Looper
Loop a section for practice.
Audio Metadata (ID3) Editor
Edit title, artist, album, cover art.
Audio Noise Reduction
Reduce background hiss.
Audio Normalizer
Normalize loudness to a target LUFS.
Audio Spectrum Analyzer
Live frequency spectrum from mic or file.
Audio Speed Changer
Change tempo without pitch change.
Audio Splitter
Split audio into equal parts.
Audio to Text Transcriber
Transcribe audio files offline.
Audio Trimmer / MP3 Cutter
Cut audio with a waveform editor.
Audio Volume Booster
Make quiet audio louder.
Audio Waveform Image Generator
Create waveform PNG/SVG from audio.
Audiogram Video Maker
Waveform video for podcasts.
Auto Loan Calculator with Trade-In
Car payment with trade-in, down payment and sales tax.
Avatar Maker
Avatar Maker — lightweight, fun, and shareable.
Average Calculator
Average Calculator with step-by-step working.
Average Order Value Calculator
Average Order Value Calculator for campaign planning and reporting.
AVI to GIF Converter
Convert AVI video to GIF entirely in the browser.
AVI to MKV Converter
Convert AVI video to MKV entirely in the browser.
AVI to MOV Converter
Convert AVI video to MOV entirely in the browser.
AVI to MP3 (Extract Audio)
Extract the audio track from AVI as MP3.
AVI to MP4 Converter
Convert AVI video to MP4 entirely in the browser.
AVI to WAV (Extract Audio)
Extract the audio track from AVI as WAV.
AVI to WebM Converter
Convert AVI video to WebM entirely in the browser.
AVIF to ICO Converter
Convert AVIF images to ICO format, single or batch, without uploading.
AVIF to JPG Converter
Convert AVIF images to JPG format, single or batch, without uploading.
AVIF to PDF Converter
Convert AVIF images to PDF format, single or batch, without uploading.
AVIF to PNG Converter
Convert AVIF images to PNG format, single or batch, without uploading.
AVIF to WebP Converter
Convert AVIF images to WebP format, single or batch, without uploading.
Aztec Code Generator
Aztec Code Generator — download PNG/SVG, no limits.
B
Baby Age Calculator
Baby Age Calculator with clear results and explanation.
Baby Name Generator (Local List)
Baby Name Generator (Local List) — fair, instant and unlimited.
Background Color Changer
Replace a transparent/removed background with any color.
Backlink CSV Analyzer
Backlink CSV Analyzer — no API, works on pasted data.
Bandwidth Calculator
Download time from size and speed.
Bar Chart Maker
Bar Chart Maker for pasted data.
Bar to PSI
Pressure converter: Bar to PSI with formula and conversion table.
Barcode Check Digit Calculator
Compute EAN/UPC check digits.
Barcode Label Sheet Maker
Barcode Label Sheet Maker — fill a form, preview and download PDF/PNG.
Barcode Scanner (Camera)
Barcode Scanner (Camera) — download PNG/SVG, no limits.
Base32 Encoder/Decoder
RFC 4648 Base32.
Base58 Encoder/Decoder
Bitcoin-style Base58.
Base64 File Encoder
Encode any file to Base64.
Base64 to File Decoder
Download a file from Base64.
Base64 to Image
Decode Base64 strings back into images.
Base64URL Encoder/Decoder
URL-safe Base64.
Basic Auth Header Generator
Create Authorization headers.
Basic Calculator
Basic Calculator with step-by-step working.
Bass Booster
Boost low frequencies.
Battery Life Calculator
Battery Life Calculator with formula shown.
Battery Status Checker
Show battery level/charging.
Bcrypt Hash Checker
Verify a password against a bcrypt hash.
bcrypt Hash Generator
Generate a bcrypt hash from text instantly.
Bibliography Formatter
Bibliography Formatter — printable or interactive, no login.
Big Number Calculator
Arbitrary-precision arithmetic.
Big Text Generator
Large emoji/block letters.
Bill Split Calculator
Bill Split Calculator with charts and breakdown.
Binary Encoder/Decoder
Text to 8-bit binary and back.
Binaural Beats Generator
Create binaural beat tracks.
Bingo Card Generator
Bingo Card Generator — printable or interactive, no login.
Binomial Distribution Calculator
Binomial Distribution Calculator for pasted data.
Birthday Card Maker
Birthday Card Maker — lightweight, fun, and shareable.
Birthday Day Finder
Birthday Day Finder — runs entirely offline.
Bit to Byte
Data Storage converter: Bit to Byte with formula and conversion table.
Bitwise Calculator
AND, OR, XOR, shifts on numbers.
BLAKE2b Hash Generator
Generate a BLAKE2b hash from text instantly.
BLAKE3 Hash Generator
Generate a BLAKE3 hash from text instantly.
Blank Page Remover
Detect and delete blank pages.
Blur Background (Portrait Mode)
Blur background while keeping the subject sharp.
BMP to ICO Converter
Convert BMP images to ICO format, single or batch, without uploading.
BMP to JPG Converter
Convert BMP images to JPG format, single or batch, without uploading.
BMP to PDF Converter
Convert BMP images to PDF format, single or batch, without uploading.
BMP to PNG Converter
Convert BMP images to PNG format, single or batch, without uploading.
BMP to WebP Converter
Convert BMP images to WebP format, single or batch, without uploading.
BMR Calculator
BMR Calculator with clear results and explanation.
Body Fat Calculator
Body Fat Calculator with clear results and explanation.
Bold Italic Text Generator
Turn normal text into bold italic Unicode text you can paste anywhere.
Bold Script Text Generator
Turn normal text into bold script Unicode text you can paste anywhere.
Bold Text Generator
Turn normal text into bold Unicode text you can paste anywhere.
Bonus Tax Calculator
Federal supplemental withholding on bonuses (percentage and aggregate methods).
Box Plot Maker
Box Plot Maker for pasted data.
BPM Detector
Detect tempo of a song.
BPM Tap Counter
Tap to find tempo.
Braille Translator
Convert text to Unicode Braille.
Brand Color Palette Builder
Brand Color Palette Builder — copy HEX, RGB, HSL and CSS variables.
Brand Name Generator
Brand Name Generator — fair, instant and unlimited.
Breadcrumb Generator
Breadcrumb Generator — no API, works on pasted data.
Breadcrumb Schema Generator
Breadcrumb Schema Generator — no API, works on pasted data.
Break-Even Calculator
Break-Even Calculator with charts and breakdown.
Break-even ROAS Calculator
Break-even ROAS Calculator for campaign planning and reporting.
Breathing Exercise Timer (Box Breathing)
Breathing Exercise Timer (Box Breathing) with clear results and explanation.
Brick Calculator
Brick Calculator with formula shown.
Brightness & Contrast Adjuster
Fine-tune brightness, contrast and saturation.
Browser Feature Support Checker
Check WebGL, WASM, WebGPU support.
Browser Fingerprint Viewer
See what your browser reveals.
Browser Info Checker
Show browser, OS, features.
Bubble Level (Spirit Level)
Use your phone as a level.
Bubble Text Generator
Turn normal text into bubble Unicode text you can paste anywhere.
Budget Planner (50/30/20)
Budget Planner (50/30/20) with charts and breakdown.
Budget Sheet Maker
Customize and print or download budget sheet as PDF.
Bulk Barcode Generator (CSV)
Bulk Barcode Generator (CSV) — download PNG/SVG, no limits.
Bulk Metadata Remover (ZIP)
Clean EXIF/GPS from many photos at once and download as ZIP.
Bulk Password Generator
Generate many passwords to CSV.
Bulk QR Code Generator (CSV)
Bulk QR Code Generator (CSV) — download PNG/SVG, no limits.
Business Card Maker
Business Card Maker — fill a form, preview and download PDF/PNG.
Business Days Calculator
Business Days Calculator — runs entirely offline.
Business Model Canvas
Business Model Canvas — fill a form, preview and download PDF/PNG.
Business Name Generator
Business Name Generator — fill a form, preview and download PDF/PNG.
Byte to Bit
Data Storage converter: Byte to Bit with formula and conversion table.
C
Caesar Cipher
Encode/decode with any shift + brute force.
Caffeine Intake Calculator
Caffeine Intake Calculator with clear results and explanation.
CAGR Calculator
CAGR Calculator with charts and breakdown.
Calendar Event (.ics) Generator
Calendar Event (.ics) Generator — fill a form, preview and download PDF/PNG.
Calendar Event QR Code
Calendar Event QR Code — download PNG/SVG, no limits.
California Sales Tax Calculator
Add or remove California sales tax (state + local rate) from any price.
Calligraphy Practice Sheet Maker
Customize and print or download calligraphy practice sheet as PDF.
Calorie Calculator
Calorie Calculator with clear results and explanation.
Calorie to Joule
Energy converter: Calorie to Joule with formula and conversion table.
Calories Burned Calculator
Calories Burned Calculator with clear results and explanation.
Capacitor Code Calculator
Capacitor Code Calculator with formula shown.
Capital Gains Tax Calculator
Short- and long-term capital gains tax by income and filing status.
Carousel Post Maker
Carousel Post Maker — create, preview and export locally.
Cash Denomination Counter
Cash Denomination Counter with charts and breakdown.
CD (Certificate of Deposit) Calculator
CD earnings by APY and term.
Celsius to Fahrenheit
Temperature converter: Celsius to Fahrenheit with formula and conversion table.
Celsius to Kelvin
Temperature converter: Celsius to Kelvin with formula and conversion table.
Celsius to Rankine
Temperature converter: Celsius to Rankine with formula and conversion table.
Centimeters to Feet and Inches
Convert cm to ft and in.
Certificate Maker
Certificate Maker — fill a form, preview and download PDF/PNG.
CGPA Calculator
CGPA Calculator — printable or interactive, no login.
Character Code Converter
Text to Unicode code points and back.
Character Name Generator
Character Name Generator — lightweight, fun, and shareable.
Check Writer (Amount in Words)
Write check amounts in words correctly.
Checklist Maker
Checklist Maker — data stays on your device.
Chemical Equation Balancer
Chemical Equation Balancer with formula shown.
Chi-Square Calculator
Chi-Square Calculator for pasted data.
Child Height Predictor
Child Height Predictor with clear results and explanation.
Child Tax Credit Estimator
Estimate the child tax credit by income and number of children.
Chinese Zodiac Finder
Chinese Zodiac Finder — runs entirely offline.
Chmod Calculator
Convert Unix permissions numeric/symbolic.
Chore Chart Maker
Customize and print or download chore chart as PDF.
Christmas Card Maker
Design and print Christmas cards.
Chromatic Tuner
Tune any instrument.
Churn Rate Calculator
Churn Rate Calculator for campaign planning and reporting.
CIDR to IP Range
Expand CIDR blocks.
Cipher Identifier
Guess which cipher text uses.
Circle Area Calculator
Find the area of a circle with steps.
Circle Crop Image
Crop a photo into a circle with transparent background.
Circle Equation Calculator
Circle Equation Calculator with step-by-step working.
Circle Perimeter Calculator
Find the perimeter of a circle with steps.
Circle Sector Area Calculator
Find the area of a circle sector with steps.
Circled Text Generator
Turn normal text into circled Unicode text you can paste anywhere.
Citation Generator (APA/MLA/Chicago)
Citation Generator (APA/MLA/Chicago) — printable or interactive, no login.
Classroom Noise Meter
Classroom Noise Meter — printable or interactive, no login.
Classroom Timer
Classroom Timer — printable or interactive, no login.
Cliché & Filler Word Finder
Highlight weak words.
Click Speed Test (CPS)
Clicks per second test.
Clipboard Cleaner
Strip tracking params and formatting from copied text.
Clock Learning Tool
Clock Learning Tool — printable or interactive, no login.
Closing Cost Estimator
Estimate buyer closing costs.
Cloudflare _headers Generator
Security/cache headers for Pages.
Cloudflare _redirects Generator
Build _redirects for Cloudflare Pages.
CMYK to HEX Color Converter
Convert CMYK colors to HEX with live swatch.
CMYK to RGB Color Converter
Convert CMYK colors to RGB with live swatch.
Codabar Barcode Generator
Codabar Barcode Generator — download PNG/SVG, no limits.
Code 39 Barcode Generator
Code 39 Barcode Generator — download PNG/SVG, no limits.
Code 93 Barcode Generator
Code 93 Barcode Generator — download PNG/SVG, no limits.
Code Diff Checker
Side-by-side code diff.
Code to Image (Carbon-style)
Beautiful code screenshots.
Coefficient of Variation Calculator
Coefficient of Variation Calculator for pasted data.
Coin Flip
Coin Flip — fair, instant and unlimited.
Color Blindness Simulator
Color Blindness Simulator — copy HEX, RGB, HSL and CSS variables.
Color Blindness Test
Ishihara-style plates.
Color Code Converter for Android/iOS
HEX to UIColor/Color Int.
Color Contrast Checker (WCAG)
Color Contrast Checker (WCAG) — copy HEX, RGB, HSL and CSS variables.
Color Mixer
Color Mixer — copy HEX, RGB, HSL and CSS variables.
Color Name Finder
Color Name Finder — copy HEX, RGB, HSL and CSS variables.
Color Palette Generator
Color Palette Generator — copy HEX, RGB, HSL and CSS variables.
Color Picker
Color Picker — copy HEX, RGB, HSL and CSS variables.
Colorado Sales Tax Calculator
Add or remove Colorado sales tax (state + local rate) from any price.
Coloring by Number Generator
Coloring by Number Generator — printable or interactive, no login.
Column Merger
Merge two lists line by line.
Combination Calculator (nCr)
Combination Calculator (nCr) with step-by-step working.
Comic Panel Template Maker
Customize and print or download comic panel template as PDF.
Comment Picker Random Winner
Comment Picker Random Winner — create, preview and export locally.
Commission Calculator
Commission Calculator with charts and breakdown.
Compare PDFs
Highlight text differences between two PDFs.
Comparing Numbers Worksheet Generator
Make printable comparing numbers worksheets with answer keys.
Compass
Digital compass on phones.
Complementary Color Finder
Complementary Color Finder — copy HEX, RGB, HSL and CSS variables.
Complex Number Calculator
Complex Number Calculator with step-by-step working.
Compress Video for Email
Shrink videos under 25MB.
Compress Video for WhatsApp
Fit videos under WhatsApp size limits.
Concrete Volume Calculator
Concrete Volume Calculator with formula shown.
Cone Surface Area Calculator
Calculate the surface area of a cone.
Cone Volume Calculator
Calculate the volume of a cone.
Confetti Generator
Confetti Generator — lightweight, fun, and shareable.
Confidence Interval Calculator
Confidence Interval Calculator for pasted data.
Connecticut Sales Tax Calculator
Add or remove Connecticut sales tax (state + local rate) from any price.
Connection Type Checker
Show effective network type.
CONSTANT_CASE Converter
Convert to CONSTANT_CASE.
Content Calendar Template
Content Calendar Template for campaign planning and reporting.
Content Outline Builder
Content Outline Builder — no API, works on pasted data.
Content Security Policy Generator
Build CSP headers.
Conventional Commit Message Builder
Write proper commit messages.
Conversion Rate Calculator
Conversion Rate Calculator for campaign planning and reporting.
Cookie & Local Storage Viewer (this site)
Inspect site storage.
Cookie Consent Banner Generator
Create a GDPR-style banner snippet.
Cookie Parser
Decode cookie strings.
Cooking Converter (All Units)
Convert between all cooking units instantly with a live table.
Cool Symbols Bio Maker
Decorate bios with borders and symbols.
Cornell Notes Paper Maker
Customize and print or download cornell notes paper as PDF.
Correlation Coefficient Calculator
Correlation Coefficient Calculator for pasted data.
Cost per Lead Calculator
Cost per Lead Calculator for campaign planning and reporting.
Countdown Timer
Countdown Timer — runs entirely offline.
Countdown to New Year
Countdown to New Year — lightweight, fun, and shareable.
Country Code List
ISO country codes, dial codes, currencies.
Course Schema Generator
Course Schema Generator — no API, works on pasted data.
Cover Letter Builder
Cover Letter Builder — fill a form, preview and download PDF/PNG.
CPA Calculator
CPA Calculator for campaign planning and reporting.
CPC Calculator
CPC Calculator for campaign planning and reporting.
CPM Calculator
CPM Calculator for campaign planning and reporting.
CRC32 Hash Generator
Generate a CRC32 hash from text instantly.
Create TAR.GZ
Bundle files into tar.gz.
Create ZIP File
Zip files and folders in the browser.
Credit Card Interest Calculator
Monthly interest and payoff time at your APR.
Credit Card Payoff Calculator
Credit Card Payoff Calculator with charts and breakdown.
Credit Card Test Number Generator (Luhn)
Gateway sandbox test numbers that pass Luhn.
Cron Expression Explainer
Explain cron in plain English with next runs.
Cron Expression Generator
Build cron schedules visually.
Crontab Guru Alternative
Human-friendly cron editor.
Crop PDF
Trim PDF page margins.
Crossword Puzzle Maker
Crossword Puzzle Maker — printable or interactive, no login.
Cryptogram Puzzle Maker
Cryptogram Puzzle Maker — printable or interactive, no login.
CSR Decoder
Read CSR details.
CSR Generator
Create a certificate signing request.
CSS Autoprefixer
Add vendor prefixes.
CSS Button Generator
CSS Button Generator with live preview and copy-ready code.
CSS Checkbox Styler
CSS Checkbox Styler with live preview and copy-ready code.
CSS Filter Generator
CSS Filter Generator with live preview and copy-ready code.
CSS Formatter
Beautify and indent CSS code with configurable style.
CSS Gradient Generator
CSS Gradient Generator — copy HEX, RGB, HSL and CSS variables.
CSS Grid Generator
CSS Grid Generator with live preview and copy-ready code.
CSS Loader / Spinner Generator
CSS Loader / Spinner Generator with live preview and copy-ready code.
CSS Minifier
Minify CSS to reduce file size.
CSS Pattern Generator
CSS Pattern Generator with live preview and copy-ready code.
CSS Scrollbar Styler
CSS Scrollbar Styler with live preview and copy-ready code.
CSS Specificity Calculator
CSS Specificity Calculator with live preview and copy-ready code.
CSS to SCSS (Nesting)
Convert flat CSS into nested SCSS.
CSS to Tailwind Converter
Map CSS rules to Tailwind classes.
CSS Toggle Switch Generator
CSS Toggle Switch Generator with live preview and copy-ready code.
CSS Tooltip Generator
CSS Tooltip Generator with live preview and copy-ready code.
CSS Transform Generator
CSS Transform Generator with live preview and copy-ready code.
CSS Triangle Generator
CSS Triangle Generator with live preview and copy-ready code.
CSS Units Converter (All Units)
Convert between all css units units instantly with a live table.
CSS Validator
Check CSS for syntax errors and show the exact line.
CST to EST Converter
Convert CST time to EST with daylight saving handled automatically.
CSV Column Extractor
Keep only the columns you need.
CSV Delimiter Changer
Switch between comma, semicolon, tab, pipe.
CSV Duplicate Remover
Remove duplicate rows from CSV.
CSV Merger
Join multiple CSV files.
CSV Splitter
Split large CSVs by row count.
CSV to Excel (XLSX)
Convert CSV data into Excel (XLSX) format, with preview and download.
CSV to GeoJSON
Convert CSV into GeoJSON.
CSV to HTML Table
Convert CSV data into HTML Table format, with preview and download.
CSV to Markdown Table
Convert CSV data into Markdown Table format, with preview and download.
CSV to SQL INSERT
Convert CSV data into SQL INSERT format, with preview and download.
CSV to SQLite Query Tool
Query CSV files with SQL.
CSV to vCard
Convert CSV into vCard.
CSV to XML
Convert CSV data into XML format, with preview and download.
CSV to YAML
Convert CSV data into YAML format, with preview and download.
CSV Validator
Check CSV for syntax errors and show the exact line.
CSV Viewer & Editor
View, sort, filter and edit CSV in a grid.
CTR Calculator
CTR Calculator for campaign planning and reporting.
Cube Surface Area Calculator
Calculate the surface area of a cube.
Cube Volume Calculator
Calculate the volume of a cube.
Cubic Equation Solver
Cubic Equation Solver with step-by-step working.
Cuboid Surface Area Calculator
Calculate the surface area of a cuboid.
Cuboid Volume Calculator
Calculate the volume of a cuboid.
Cup to Milliliter
Volume converter: Cup to Milliliter with formula and conversion table.
Cups to Grams (by Ingredient)
Flour, sugar, butter and more.
cURL to Axios
Convert a cURL command into Axios code.
cURL to C# HttpClient
Convert a cURL command into C# HttpClient code.
cURL to Go net/http
Convert a cURL command into Go net/http code.
cURL to Java HttpClient
Convert a cURL command into Java HttpClient code.
cURL to JavaScript fetch
Convert a cURL command into JavaScript fetch code.
cURL to Node.js http
Convert a cURL command into Node.js http code.
cURL to PHP cURL
Convert a cURL command into PHP cURL code.
cURL to PowerShell
Convert a cURL command into PowerShell code.
cURL to Python requests
Convert a cURL command into Python requests code.
cURL to wget
Convert a cURL command into wget code.
Cursed Text Generator
Creepy combining-character text.
Custom Styled QR Code Generator
Custom Styled QR Code Generator — download PNG/SVG, no limits.
Customer Acquisition Cost (CAC) Calculator
Customer Acquisition Cost (CAC) Calculator for campaign planning and reporting.
Customer Lifetime Value (LTV) Calculator
Customer Lifetime Value (LTV) Calculator for campaign planning and reporting.
Cylinder Surface Area Calculator
Calculate the surface area of a cylinder.
Cylinder Volume Calculator
Calculate the volume of a cylinder.
D
Daily Planner
Daily Planner — data stays on your device.
Dark Mode Palette Generator
Dark Mode Palette Generator — copy HEX, RGB, HSL and CSS variables.
Data Matrix Generator
Data Matrix Generator — download PNG/SVG, no limits.
Data Storage Converter (All Units)
Convert between all data storage units instantly with a live table.
Data Transfer Rate Converter (All Units)
Convert between all data transfer rate units instantly with a live table.
Data Transfer Time Calculator
How long to upload/download a file.
Data URL Generator
Create data: URLs from files.
Date Format Tester (strftime/moment)
Preview date format patterns.
Day Length Calculator
Day Length Calculator — runs entirely offline.
Day to Hour
Time converter: Day to Hour with formula and conversion table.
Day to Year
Time converter: Day to Year with formula and conversion table.
Daylight Saving Time Dates
When DST starts and ends this year in the US.
Days Until Birthday
Days Until Birthday — runs entirely offline.
Dead Pixel Test
Full-screen colors to find dead pixels.
Debt Snowball Calculator
Debt Snowball Calculator with charts and breakdown.
Debt-to-Income Ratio Calculator
Debt-to-Income Ratio Calculator with charts and breakdown.
Decimal Hours to Hours:Minutes
Decimal Hours to Hours:Minutes — runs entirely offline.
Decimal to Binary Converter
Convert decimal values to binary.
Decimal to Hexadecimal Converter
Convert decimal values to hexadecimal.
Decimal to Octal Converter
Convert decimal values to octal.
Decimal to Text (ASCII) Converter
Convert decimal values to text (ascii).
Decimals Worksheet Generator
Make printable decimals worksheets with answer keys.
Decision Matrix
Decision Matrix — data stays on your device.
Degree to Radian
Angle converter: Degree to Radian with formula and conversion table.
Delaware Sales Tax Calculator
Add or remove Delaware sales tax (state + local rate) from any price.
Delivery Note Generator
Delivery Note Generator — fill a form, preview and download PDF/PNG.
Density Calculator
Density Calculator with formula shown.
Dentist Schema Generator
Dentist Schema Generator — no API, works on pasted data.
Depreciation Calculator
Depreciation Calculator with charts and breakdown.
Derivative Calculator
Derivative Calculator with step-by-step working.
Descriptive Statistics Calculator
Descriptive Statistics Calculator for pasted data.
Device Mockup Generator
Place screenshots inside phone/laptop frames.
Device Orientation / Gyroscope Test
Show tilt sensor values.
Dice Roller
Dice Roller — fair, instant and unlimited.
Dictation Practice (TTS)
Dictation Practice (TTS) — printable or interactive, no login.
Digital Signature Pad
Digital Signature Pad — data stays on your device.
Dilution Calculator (C1V1)
Dilution Calculator (C1V1) with formula shown.
Disavow File Generator
Disavow File Generator — no API, works on pasted data.
Discord Banner Resizer
Crop and resize any image to the exact Discord Banner size.
Discord Fonts Generator
Fancy text for Discord.
Discount Calculator
Discount Calculator with charts and breakdown.
Distance Between Two Points
Distance Between Two Points with step-by-step working.
Dividend Yield Calculator
Dividend Yield Calculator with charts and breakdown.
Divisibility Checker
Divisibility Checker with step-by-step working.
Division Worksheet Generator
Make printable division worksheets with answer keys.
DMARC Record Generator
Build DMARC policies.
DNS Record Explainer
Explain A, CNAME, MX, TXT, SPF records.
docker-compose Generator
Build compose files visually.
Dockerfile Generator
Generate Dockerfiles for common stacks.
Document Redactor (Text)
Mask emails, phones, IDs in text.
Document Scanner (Perspective Fix)
Fix perspective of photographed documents.
DOCX Image Extractor
Save all images from a Word file.
Domain Name Idea Generator
Domain Name Idea Generator — fair, instant and unlimited.
Dominant Color Extractor
Extract the main color palette of an image.
Dot & Cross Product Calculator
Dot & Cross Product Calculator with step-by-step working.
Dot Grid Paper Maker
Customize and print or download dot grid paper as PDF.
Dot-to-Dot Puzzle Maker
Dot-to-Dot Puzzle Maker — printable or interactive, no login.
dot.case Converter
Convert to dot.case.
Double-Struck Text Generator
Turn normal text into double-struck Unicode text you can paste anywhere.
Down Payment Calculator
How much to save for a down payment.
Drawing Pad / Sketchpad
Drawing Pad / Sketchpad — printable or interactive, no login.
Drum Machine
Program simple beats.
DTMF Tone Generator
Generate phone keypad tones.
Duplicate Content Checker (Two Texts)
Duplicate Content Checker (Two Texts) — no API, works on pasted data.
E
E-commerce Profit Calculator
E-commerce Profit Calculator — fill a form, preview and download PDF/PNG.
EAN-13 Barcode Generator
EAN-13 Barcode Generator — download PNG/SVG, no limits.
EAN-8 Barcode Generator
EAN-8 Barcode Generator — download PNG/SVG, no limits.
eBay Fee Calculator
Profit after eBay final value fees.
ECDSA Key Generator
Generate EC key pairs.
Echo & Reverb Adder
Add echo/reverb to audio.
Edit PDF Metadata
Change title, author, subject, keywords.
Eisenhower Matrix
Eisenhower Matrix — data stays on your device.
Electricity Cost Calculator
Electricity Cost Calculator with formula shown.
Ellipse Area Calculator
Find the area of a ellipse with steps.
Ellipsoid Volume Calculator
Calculate the volume of a ellipsoid.
EM to PX
CSS Units converter: EM to PX with formula and conversion table.
Email Address Validator (Syntax)
Check email syntax rules.
Email Header Analyzer
Parse raw email headers and hops.
Email Header Resizer
Crop and resize any image to the exact Email Header size.
Email Open Rate Calculator
Email Open Rate Calculator for campaign planning and reporting.
Email QR Code Generator
Email QR Code Generator — download PNG/SVG, no limits.
Email Signature Generator
Email Signature Generator — fill a form, preview and download PDF/PNG.
Email Subject Line Tester (Rule-based)
Email Subject Line Tester (Rule-based) for campaign planning and reporting.
Embed Code Generator (YouTube/Maps)
Embed Code Generator (YouTube/Maps) with live preview and copy-ready code.
Emergency Fund Calculator
How big your emergency fund should be.
Emoji Caption Decorator
Emoji Caption Decorator — create, preview and export locally.
Emoji Letters Generator
Spell words with emoji letters.
Emoji Picker & Search
Search and copy emojis.
Emoji Translator
Emoji Translator — lightweight, fun, and shareable.
Employee Cost Calculator
Employee Cost Calculator — fill a form, preview and download PDF/PNG.
Energy Converter (All Units)
Convert between all energy units instantly with a live table.
Engagement Rate Calculator
Engagement Rate Calculator for campaign planning and reporting.
English Phonics Chart
English Phonics Chart — printable or interactive, no login.
Enigma Machine Simulator
Simulate the WWII Enigma.
Epoch Batch Converter
Convert many timestamps at once.
EPUB Reader
Read EPUB books in the browser.
EPUB to PDF
Convert EPUB chapters to PDF.
EPUB to Text
Extract text from EPUB books.
ER Diagram from SQL
Visualize tables from SQL DDL.
EST to CST Converter
Convert EST time to CST with daylight saving handled automatically.
EST to GMT Converter
Convert EST time to GMT with daylight saving handled automatically.
EST to PST Converter
Convert EST time to PST with daylight saving handled automatically.
Etsy Banner Resizer
Crop and resize any image to the exact Etsy Banner size.
Etsy Fee Calculator
Profit after Etsy listing, transaction and payment fees.
Event Countdown (Shareable)
Event Countdown (Shareable) — runs entirely offline.
Event Poster Maker
Event Poster Maker — create, preview and export locally.
Event Schema Generator
Event Schema Generator — no API, works on pasted data.
Event Ticket Maker
Event Ticket Maker — fill a form, preview and download PDF/PNG.
Exam Countdown
Exam Countdown — printable or interactive, no login.
Excel (XLSX) to CSV
Convert Excel (XLSX) data into CSV format, with preview and download.
Excel (XLSX) to HTML Table
Convert Excel (XLSX) data into HTML Table format, with preview and download.
Excel (XLSX) to JSON
Convert Excel (XLSX) data into JSON format, with preview and download.
Excel (XLSX) to Markdown Table
Convert Excel (XLSX) data into Markdown Table format, with preview and download.
Excel (XLSX) to SQL INSERT
Convert Excel (XLSX) data into SQL INSERT format, with preview and download.
Excel (XLSX) to XML
Convert Excel (XLSX) data into XML format, with preview and download.
Excel (XLSX) to YAML
Convert Excel (XLSX) data into YAML format, with preview and download.
Excel Sheet Merger
Combine multiple XLSX/CSV files into one.
Excel to PDF
Convert XLSX sheets to PDF tables.
Excel to vCard
Turn a contact sheet into VCF contacts.
Excel Viewer
Open XLSX/XLS/ODS files without Excel.
Expense Splitter (Trip)
Expense Splitter (Trip) — data stays on your device.
Exponent Calculator
Exponent Calculator with step-by-step working.
Extra Mortgage Payment Calculator
Interest saved and time cut by extra payments.
Extract 7Z File
Unpack 7-Zip archives.
Extract Emails from Text
Pull all email addresses.
Extract Hashtags & Mentions
Pull #tags and @mentions.
Extract Images from PDF
Save all embedded images.
Extract Numbers from Text
Pull all numbers.
Extract Phone Numbers
Pull phone numbers from text.
Extract RAR File
Unpack RAR archives.
Extract TAR / TAR.GZ
Unpack tar and tar.gz archives.
Extract URLs from Text
Pull all links.
Extract ZIP File
Open ZIP files and download contents.
Eye Rest 20-20-20 Timer
Eye Rest 20-20-20 Timer with clear results and explanation.
Eye Test (Snellen Chart)
Basic visual acuity chart.
F
Face Blur Tool
Auto-detect and blur faces for privacy.
Facebook Ad (1.91:1) Resizer
Crop and resize any image to the exact Facebook Ad (1.91:1) size.
Facebook Ads Cost Estimator
Facebook Ads Cost Estimator for campaign planning and reporting.
Facebook Cover Maker
Facebook Cover Maker — create, preview and export locally.
Facebook Cover Resizer
Crop and resize any image to the exact Facebook Cover size.
Facebook Event Cover Resizer
Crop and resize any image to the exact Facebook Event Cover size.
Facebook Fonts Generator
Stylish text for Facebook posts.
Facebook Group Cover Resizer
Crop and resize any image to the exact Facebook Group Cover size.
Facebook Post Preview
Facebook Post Preview — create, preview and export locally.
Facebook Post Resizer
Crop and resize any image to the exact Facebook Post size.
Factorial Calculator
Factorial Calculator with step-by-step working.
Factors Finder
Factors Finder with step-by-step working.
Fahrenheit to Celsius
Temperature converter: Fahrenheit to Celsius with formula and conversion table.
Fahrenheit to Kelvin
Temperature converter: Fahrenheit to Kelvin with formula and conversion table.
Fahrenheit to Rankine
Temperature converter: Fahrenheit to Rankine with formula and conversion table.
Fake JSON Data Generator
Generate mock data from a template.
FAQ Schema Generator
FAQ Schema Generator — no API, works on pasted data.
FAQ Section Builder
FAQ Section Builder — no API, works on pasted data.
Favicon (16/32/48) Resizer
Crop and resize any image to the exact Favicon (16/32/48) size.
Favicon Generator
Create favicon.ico + PNG icons + manifest from one image.
Favicon HTML Snippet Generator
Favicon HTML Snippet Generator with live preview and copy-ready code.
Featured Snippet Formatter
Featured Snippet Formatter — no API, works on pasted data.
Feet and Inches to Centimeters
Convert height in ft/in to cm.
FHA Loan Calculator
FHA payment incl. upfront and annual MIP.
Fibonacci Generator
Fibonacci Generator with step-by-step working.
FICA Tax Calculator
Social Security and Medicare tax on wages, incl. additional Medicare tax.
File BLAKE3 Checksum
Compute the BLAKE3 checksum of any file locally (even large files).
File CRC32 Checksum
Compute the CRC32 checksum of any file locally (even large files).
File Decryptor (AES)
Decrypt files made by the encryptor.
File Encryptor (AES)
Encrypt any file with a password.
File MD5 Checksum
Compute the MD5 checksum of any file locally (even large files).
File SHA-1 Checksum
Compute the SHA-1 checksum of any file locally (even large files).
File SHA-256 Checksum
Compute the SHA-256 checksum of any file locally (even large files).
File SHA-512 Checksum
Compute the SHA-512 checksum of any file locally (even large files).
File Splitter & Joiner
Split big files into parts and rejoin.
File Type Detector
Detect real file type from magic bytes.
Fill PDF Forms
Fill interactive PDF form fields.
Fill-in-the-Blank Worksheet Maker
Fill-in-the-Blank Worksheet Maker — printable or interactive, no login.
Final Exam Grade Calculator
Final Exam Grade Calculator — printable or interactive, no login.
Find and Replace Text
Find/replace with regex support.
FIRE Number Calculator
How much you need to retire early.
FLAC to AAC Converter
Convert FLAC audio files to AAC with bitrate options.
FLAC to M4A Converter
Convert FLAC audio files to M4A with bitrate options.
FLAC to MP3 Converter
Convert FLAC audio files to MP3 with bitrate options.
FLAC to OGG Converter
Convert FLAC audio files to OGG with bitrate options.
FLAC to WAV Converter
Convert FLAC audio files to WAV with bitrate options.
Flashcard Maker
Flashcard Maker — printable or interactive, no login.
Flashlight
Turn on phone torch.
Flatten PDF
Flatten forms and annotations.
Flexbox Playground
Flexbox Playground with live preview and copy-ready code.
Flooring Calculator
Flooring Calculator with formula shown.
Florida Sales Tax Calculator
Add or remove Florida sales tax (state + local rate) from any price.
Flowchart Maker
Draw flowcharts and export PNG/SVG.
Fluid Ounce to Milliliter
Volume converter: Fluid Ounce to Milliliter with formula and conversion table.
Fluid Typography (clamp) Generator
Fluid Typography (clamp) Generator with live preview and copy-ready code.
Focus Mode Timer with Ambient Sounds
Focus Mode Timer with Ambient Sounds — data stays on your device.
Font Pairing Previewer
Font Pairing Previewer with live preview and copy-ready code.
Foot to Inch
Length converter: Foot to Inch with formula and conversion table.
Force (F=ma) Calculator
Force (F=ma) Calculator with formula shown.
Form to PDF Filler
Form to PDF Filler — data stays on your device.
Fortune Cookie Generator
Fortune Cookie Generator — lightweight, fun, and shareable.
Fraction Visualizer
Fraction Visualizer — printable or interactive, no login.
Fractions Worksheet Generator
Make printable fractions worksheets with answer keys.
Fraktur (Gothic) Text Generator
Turn normal text into fraktur (gothic) Unicode text you can paste anywhere.
Free Fall Calculator
Free Fall Calculator with formula shown.
Freelance Hourly Rate Calculator
Set your rate from income goal, expenses and taxes.
Frequency Analysis Tool
Letter frequency for cryptanalysis.
Frequency Converter (All Units)
Convert between all frequency units instantly with a live table.
Frequency Table Maker
Frequency Table Maker for pasted data.
Frustum Volume Calculator
Calculate the volume of a frustum.
Fuel Cost Calculator
Fuel Cost Calculator with formula shown.
Fuel Economy Converter (All Units)
Convert between all fuel economy units instantly with a live table.
Fullscreen White Screen
Plain screen light / ring light.
Function Plotter (2D)
Function Plotter (2D) with step-by-step working.
Future Value Calculator
Future Value Calculator with charts and breakdown.
G
GA4 Event Snippet Generator
GA4 Event Snippet Generator for campaign planning and reporting.
Gallon to Liter
Volume converter: Gallon to Liter with formula and conversion table.
Gamepad Tester
Test controller buttons and sticks.
Gamertag Generator
Gamertag Generator — fair, instant and unlimited.
Gaming Name / Nickname Generator
Stylish names with symbols for PUBG, Free Fire.
Gantt Chart Maker
Gantt Chart Maker — fill a form, preview and download PDF/PNG.
GCD / HCF Calculator
GCD / HCF Calculator with step-by-step working.
Gear Ratio Calculator
Gear Ratio Calculator with formula shown.
Generator Load Calculator
Generator Load Calculator with formula shown.
GeoJSON to CSV
Convert GeoJSON into CSV.
GeoJSON to KML
Convert GeoJSON into KML.
Geolocation Viewer
Show your GPS coordinates on a map.
Geometric Sequence Calculator
Geometric Sequence Calculator with step-by-step working.
Georgia Sales Tax Calculator
Add or remove Georgia sales tax (state + local rate) from any price.
GIF Frame Extractor
Split a GIF into individual frames.
GIF Resizer
Resize animated GIFs keeping animation.
GIF Reverser
Play a GIF backwards.
GIF Speed Changer
Speed up or slow down GIF animation.
GIF to ICO Converter
Convert GIF images to ICO format, single or batch, without uploading.
GIF to JPG Converter
Convert GIF images to JPG format, single or batch, without uploading.
GIF to PDF Converter
Convert GIF images to PDF format, single or batch, without uploading.
GIF to PNG Converter
Convert GIF images to PNG format, single or batch, without uploading.
GIF to WebP Converter
Convert GIF images to WebP format, single or batch, without uploading.
Gift Voucher Maker
Gift Voucher Maker — fill a form, preview and download PDF/PNG.
Gigabyte to Megabyte
Data Storage converter: Gigabyte to Megabyte with formula and conversion table.
Gigabyte to Terabyte
Data Storage converter: Gigabyte to Terabyte with formula and conversion table.
GitHub Actions Workflow Generator
Build CI YAML files.
Giveaway Winner Picker (Paste Comments)
Giveaway Winner Picker (Paste Comments) — create, preview and export locally.
Glitch Effect Generator
Add RGB-split glitch effects.
Goal Tracker
Goal Tracker — data stays on your device.
Golden Hour Calculator
Golden Hour Calculator — runs entirely offline.
Google Ads Budget Planner
Google Ads Budget Planner for campaign planning and reporting.
Google Business Profile Post Previewer
Google Business Profile Post Previewer — no API, works on pasted data.
Google Display Ad (160x600) Resizer
Crop and resize any image to the exact Google Display Ad (160x600) size.
Google Display Ad (300x250) Resizer
Crop and resize any image to the exact Google Display Ad (300x250) size.
Google Display Ad (728x90) Resizer
Crop and resize any image to the exact Google Display Ad (728x90) size.
Google Fonts Previewer
Google Fonts Previewer with live preview and copy-ready code.
Google Maps Location QR
Google Maps Location QR — download PNG/SVG, no limits.
Google Search Console CSV Analyzer
Google Search Console CSV Analyzer — no API, works on pasted data.
GPA Calculator
GPA Calculator — printable or interactive, no login.
GPX to GeoJSON
Convert GPX into GeoJSON.
Grade Calculator
Grade Calculator — printable or interactive, no login.
Gradebook Sheet Maker
Customize and print or download gradebook sheet as PDF.
Gram to Kilogram
Weight converter: Gram to Kilogram with formula and conversion table.
Gram to Ounce
Weight converter: Gram to Ounce with formula and conversion table.
Grammar Checker (Basic Rules)
Catch common grammar mistakes.
Graph Paper Maker
Customize and print or download graph paper as PDF.
Graphing Calculator
Graphing Calculator with step-by-step working.
GraphQL Formatter
Beautify and indent GraphQL code with configurable style.
GraphQL Minifier
Minify GraphQL to reduce file size.
GraphQL Query Builder
Build queries from a schema.
Graphviz DOT Viewer
Render DOT graphs.
Gratuity Calculator
Gratuity Calculator with charts and breakdown.
Grayscale Image Converter
Turn photos black and white.
Grayscale PDF
Convert a color PDF to black and white.
Greeting Card Maker
Greeting Card Maker — lightweight, fun, and shareable.
Grocery List Maker
Customize and print or download grocery list as PDF.
Gross Profit Calculator
Gross Profit Calculator with charts and breakdown.
GS1-128 Barcode Generator
GS1-128 Barcode Generator — download PNG/SVG, no limits.
GST Calculator
GST Calculator with charts and breakdown.
GTM DataLayer Snippet Generator
GTM DataLayer Snippet Generator for campaign planning and reporting.
GZIP Compressor
Gzip any file.
GZIP Decompressor
Decompress .gz files.
H
Habit Tracker
Habit Tracker — data stays on your device.
Habit Tracker Sheet Maker
Customize and print or download habit tracker sheet as PDF.
Handwriting Practice Paper Maker
Customize and print or download handwriting practice paper as PDF.
Handwriting to Text (Basic)
OCR for clear handwriting.
Hashtag Counter & Cleaner
Hashtag Counter & Cleaner — create, preview and export locally.
Hashtag Generator (Offline Lists)
Hashtag Generator (Offline Lists) — create, preview and export locally.
Hawaii Sales Tax Calculator
Add or remove Hawaii sales tax (state + local rate) from any price.
Heading (H1-H6) Structure Analyzer
Heading (H1-H6) Structure Analyzer — no API, works on pasted data.
Headline Analyzer (Rule-based)
Headline Analyzer (Rule-based) for campaign planning and reporting.
Headphone Frequency Test
Test hearing range of headphones.
Hearing Test (Frequency)
Check which frequencies you can hear.
Heart Rate Zone Calculator
Heart Rate Zone Calculator with clear results and explanation.
Hectare to Acre
Area converter: Hectare to Acre with formula and conversion table.
HEIC to ICO Converter
Convert HEIC images to ICO format, single or batch, without uploading.
HEIC to PDF Converter
Convert HEIC images to PDF format, single or batch, without uploading.
HEIC to PNG Converter
Convert HEIC images to PNG format, single or batch, without uploading.
HEIC to WebP Converter
Convert HEIC images to WebP format, single or batch, without uploading.
Hemisphere Surface Area Calculator
Calculate the surface area of a hemisphere.
Hemisphere Volume Calculator
Calculate the volume of a hemisphere.
Hex Encoder/Decoder
Text to hex bytes and back.
Hex File Viewer
View any file as hex dump.
HEX to CMYK Color Converter
Convert HEX colors to CMYK with live swatch.
HEX to Color Name
HEX to Color Name — copy HEX, RGB, HSL and CSS variables.
HEX to HSL Color Converter
Convert HEX colors to HSL with live swatch.
HEX to HSV Color Converter
Convert HEX colors to HSV with live swatch.
HEX to OKLCH Color Converter
Convert HEX colors to OKLCH with live swatch.
HEX to RGB Color Converter
Convert HEX colors to RGB with live swatch.
Hexadecimal to Binary Converter
Convert hexadecimal values to binary.
Hexadecimal to Decimal Converter
Convert hexadecimal values to decimal.
Hexadecimal to Octal Converter
Convert hexadecimal values to octal.
Hexadecimal to Text (ASCII) Converter
Convert hexadecimal values to text (ascii).
Hexagon Area Calculator
Find the area of a hexagon with steps.
Hexagon Perimeter Calculator
Find the perimeter of a hexagon with steps.
High-Yield Savings Calculator
Growth of savings at today’s APY.
Histogram Maker
Histogram Maker for pasted data.
HMAC-SHA-1 Generator
Create HMAC-SHA-1 signatures with a secret key.
HMAC-SHA-256 Generator
Create HMAC-SHA-256 signatures with a secret key.
HMAC-SHA-512 Generator
Create HMAC-SHA-512 signatures with a secret key.
Holiday Countdown (US Holidays)
Days until Thanksgiving, Christmas, July 4th and more.
Horsepower to Kilowatt
Power converter: Horsepower to Kilowatt with formula and conversion table.
Hour to Day
Time converter: Hour to Day with formula and conversion table.
Hour to Minute
Time converter: Hour to Minute with formula and conversion table.
Hourly Paycheck Calculator
Take-home pay from hourly wage, hours and overtime.
Hourly to Salary Calculator
Hourly to Salary Calculator with charts and breakdown.
Hours Calculator (Time Card)
Hours Calculator (Time Card) — runs entirely offline.
Hours Until Calculator
Hours Until Calculator — runs entirely offline.
HowTo Schema Generator
HowTo Schema Generator — no API, works on pasted data.
HSA Calculator
Health Savings Account growth and tax savings.
HSL to HEX Color Converter
Convert HSL colors to HEX with live swatch.
HSL to RGB Color Converter
Convert HSL colors to RGB with live swatch.
HSV to HEX Color Converter
Convert HSV colors to HEX with live swatch.
HSV to RGB Color Converter
Convert HSV colors to RGB with live swatch.
HTML Email Template Builder
HTML Email Template Builder with live preview and copy-ready code.
HTML Entity Encoder/Decoder
Escape & < > characters.
HTML Form Builder
HTML Form Builder with live preview and copy-ready code.
HTML Formatter
Beautify and indent HTML code with configurable style.
HTML Live Editor (CodePen-like)
Edit HTML/CSS/JS with live preview.
HTML Minifier
Minify HTML to reduce file size.
HTML Table Generator
HTML Table Generator with live preview and copy-ready code.
HTML to JSX
Convert HTML to React JSX.
HTML to Markdown
Convert HTML into Markdown.
HTML to PDF
Convert HTML code to PDF.
HTML to Text
Strip tags to get plain text.
HTML to Word (DOCX)
Save HTML as a Word document.
HTML Validator
Check HTML for syntax errors and show the exact line.
HTTP Header Parser
Parse raw headers into a table.
HTTP Status Code Reference
Search all HTTP codes with meaning.
I
IBAN Validator
Check IBAN format and checksum.
ICO to PNG Converter
Convert ICO images to PNG format, single or batch, without uploading.
ID Card Maker
ID Card Maker — fill a form, preview and download PDF/PNG.
ID3 Tag Viewer
Read MP3 tags and cover art.
Idaho Sales Tax Calculator
Add or remove Idaho sales tax (state + local rate) from any price.
Ideal Gas Law Calculator
Ideal Gas Law Calculator with formula shown.
Ideal Weight Calculator
Ideal Weight Calculator with clear results and explanation.
IEEE 754 Float Converter
See float binary representation.
Iframe Generator
Iframe Generator with live preview and copy-ready code.
Illinois Sales Tax Calculator
Add or remove Illinois sales tax (state + local rate) from any price.
Image Alt Text Checker (from HTML)
Image Alt Text Checker (from HTML) — no API, works on pasted data.
Image Annotation Tool
Image Annotation Tool — data stays on your device.
Image Aspect Ratio Calculator
Calculate missing width/height for a ratio.
Image Blur Tool
Blur the whole image or a selected area.
Image Collage Maker
Combine photos into grid collages.
Image Color Picker
Pick HEX/RGB colors from any image.
Image Comparison Slider
Compare before/after images with a slider.
Image Diff Checker
Highlight pixel differences between two images.
Image DPI Changer
Change DPI metadata to 300 for print.
Image Duotone Effect
Apply two-color duotone effect.
Image Flipper (Mirror)
Flip images horizontally or vertically.
Image Histogram Viewer
View RGB and luminance histograms.
Image Merger (Side by Side)
Join images horizontally or vertically.
Image Mosaic Maker
Build a photo mosaic from many images.
Image Noise Remover
Reduce grain with a median/bilateral filter.
Image Outline / Sticker Maker
Add white outline to cut-outs for stickers.
Image Placeholder Generator
Create placeholder images of any size and text.
Image Redaction Tool
Black out sensitive parts of screenshots.
Image Rename in Bulk
Rename many images with patterns and download as ZIP.
Image Rotator
Rotate images 90/180 degrees or any angle.
Image Shadow Generator
Add drop shadow to transparent PNGs.
Image Sharpener
Sharpen blurry photos with an unsharp mask.
Image Size Checker
See width, height, file size and DPI.
Image Splitter (Grid)
Split one image into 2x2, 3x3 tiles.
Image Straightener
Rotate slightly to level horizons.
Image to ASCII Art
Convert pictures into ASCII text art.
Image to Base64
Encode images as Base64 data URLs.
Image to Pixel Art
Turn photos into pixel art with a palette.
Image to SVG (Vectorizer)
Trace bitmap images to SVG vectors.
Image to Text (OCR)
Extract text from images in 100+ languages.
Image Upscaler (2x/4x)
Upscale low-res images with an in-browser AI model.
Image Vignette Effect
Add a dark/light vignette to photos.
Image Watermark Adder
Add text or logo watermark in bulk.
Images to Video (Slideshow)
Make a slideshow video from photos.
Inch to Foot
Length converter: Inch to Foot with formula and conversion table.
Inch to Millimeter
Length converter: Inch to Millimeter with formula and conversion table.
Indiana Sales Tax Calculator
Add or remove Indiana sales tax (state + local rate) from any price.
Inequality Solver
Inequality Solver with step-by-step working.
Inflation Calculator
Inflation Calculator with charts and breakdown.
Influencer Engagement Rate Calculator
Influencer Engagement Rate Calculator for campaign planning and reporting.
Insert Blank Pages
Add blank pages anywhere.
Instagram Bio Generator (Templates)
Instagram Bio Generator (Templates) — create, preview and export locally.
Instagram Caption Formatter
Instagram Caption Formatter — create, preview and export locally.
Instagram Fonts Generator
All fancy fonts styled for Instagram bios.
Instagram Grid Splitter
Split a big image into a 3-column Instagram grid.
Instagram Portrait (4:5) Resizer
Crop and resize any image to the exact Instagram Portrait (4:5) size.
Instagram Post (1:1) Resizer
Crop and resize any image to the exact Instagram Post (1:1) size.
Instagram Post Preview
Instagram Post Preview — create, preview and export locally.
Instagram Story / Reel Resizer
Crop and resize any image to the exact Instagram Story / Reel size.
Integral Calculator
Integral Calculator with step-by-step working.
Interest Rate Calculator
Interest Rate Calculator with charts and breakdown.
Internal Link Extractor (from HTML)
Internal Link Extractor (from HTML) — no API, works on pasted data.
Inventory Reorder Point Calculator
Inventory Reorder Point Calculator — fill a form, preview and download PDF/PNG.
iNVERSE cASE Converter
Swap upper and lower case.
Invert Image Colors
Create a negative of any image.
Invisible Character Generator
Copy blank/zero-width characters.
Invoice Generator
Invoice Generator — fill a form, preview and download PDF/PNG.
Iowa Sales Tax Calculator
Add or remove Iowa sales tax (state + local rate) from any price.
IP Range to CIDR
Convert ranges into CIDR list.
IP Subnet Calculator
Network, broadcast, host range, mask.
IP to Decimal / Binary / Hex
Convert IP address formats.
IPS / UPS Backup Time Calculator
IPS / UPS Backup Time Calculator with formula shown.
IPv6 Expand / Compress
Full and short IPv6 forms.
IPv6 Subnet Calculator
IPv6 prefix calculations.
IRR Calculator
IRR Calculator with charts and breakdown.
ISBN Barcode Generator
ISBN Barcode Generator — download PNG/SVG, no limits.
ISBN Validator & Converter
Validate ISBN-10/13 and convert.
ISO 8601 Date Formatter
Format dates in ISO/RFC formats.
Isometric Paper Maker
Customize and print or download isometric paper as PDF.
Italic Text Generator
Turn normal text into italic Unicode text you can paste anywhere.
ItemList (Listicle) Schema Generator
ItemList (Listicle) Schema Generator — no API, works on pasted data.
ITF-14 Barcode Generator
ITF-14 Barcode Generator — download PNG/SVG, no limits.
J
JavaScript Deobfuscator / Unminifier
Make minified JS readable.
JavaScript Formatter
Beautify and indent JavaScript code with configurable style.
JavaScript Minifier
Minify JavaScript to reduce file size.
JavaScript Obfuscator
Obfuscate JS code.
JavaScript Playground
Run JS snippets with console output.
JavaScript Validator
Check JavaScript for syntax errors and show the exact line.
JobPosting Schema Generator
JobPosting Schema Generator — no API, works on pasted data.
Joule to Calorie
Energy converter: Joule to Calorie with formula and conversion table.
JPG to AVIF Converter
Convert JPG images to AVIF format, single or batch, without uploading.
JPG to BMP Converter
Convert JPG images to BMP format, single or batch, without uploading.
JPG to GIF Converter
Convert JPG images to GIF format, single or batch, without uploading.
JPG to ICO Converter
Convert JPG images to ICO format, single or batch, without uploading.
JPG to PDF Converter
Convert JPG images to PDF format, single or batch, without uploading.
JPG to TIFF Converter
Convert JPG images to TIFF format, single or batch, without uploading.
JQ Playground
Run jq filters on JSON.
JSON Diff
Compare two JSON documents structurally.
JSON Editor
Edit JSON in tree/code mode.
JSON Escape / Unescape
Escape strings for JSON.
JSON Flattener
Flatten nested JSON into dot keys.
JSON Minifier
Minify JSON to reduce file size.
JSON Path Tester
Query JSON with JSONPath.
JSON Schema Generator
Infer a schema from JSON.
JSON Schema Validator
Check JSON Schema for syntax errors and show the exact line.
JSON Sorter
Sort JSON keys alphabetically.
JSON to .env
Convert JSON into .env.
JSON to C# Class
Generate a C# Class from sample JSON automatically.
JSON to Dart Class
Generate a Dart Class from sample JSON automatically.
JSON to Go Struct
Generate a Go Struct from sample JSON automatically.
JSON to Java Class
Generate a Java Class from sample JSON automatically.
JSON to JSON Schema
Generate a JSON Schema from sample JSON automatically.
JSON to Kotlin Data Class
Generate a Kotlin Data Class from sample JSON automatically.
JSON to PHP Class
Generate a PHP Class from sample JSON automatically.
JSON to Pydantic Model
Generate a Pydantic Model from sample JSON automatically.
JSON to Python Dataclass
Generate a Python Dataclass from sample JSON automatically.
JSON to Query String
Convert JSON into Query String.
JSON to Rust Struct
Generate a Rust Struct from sample JSON automatically.
JSON to SQL CREATE TABLE
Generate a SQL CREATE TABLE from sample JSON automatically.
JSON to Swift Struct
Generate a Swift Struct from sample JSON automatically.
JSON to TOML
Convert JSON into TOML.
JSON to TypeScript Interface
Generate a TypeScript Interface from sample JSON automatically.
JSON to Zod Schema
Generate a Zod Schema from sample JSON automatically.
JSON Unflattener
Rebuild nested JSON from dot keys.
JSON Validator
Check JSON for syntax errors and show the exact line.
JSON Viewer (Tree)
Explore JSON as a collapsible tree.
JSON-LD Schema Generator (All Types)
JSON-LD Schema Generator (All Types) — no API, works on pasted data.
JSX to JavaScript (Babel)
Transpile JSX/modern JS.
Julian Date Converter
Julian Date Converter — runs entirely offline.
JWT Decoder
Decode JWT header and payload.
JWT Generator (HS256)
Sign test JWTs with a secret.
JWT Verifier
Verify JWT signatures with a key.
K
Kaleidoscope Drawing Tool
Kaleidoscope Drawing Tool — printable or interactive, no login.
Kanban Board (Local)
Kanban Board (Local) — data stays on your device.
Kansas Sales Tax Calculator
Add or remove Kansas sales tax (state + local rate) from any price.
Kaomoji Collection
Copy Japanese emoticons.
kebab-case Converter
Convert to kebab-case.
Kelvin to Celsius
Temperature converter: Kelvin to Celsius with formula and conversion table.
Kelvin to Fahrenheit
Temperature converter: Kelvin to Fahrenheit with formula and conversion table.
Kelvin to Rankine
Temperature converter: Kelvin to Rankine with formula and conversion table.
Kentucky Sales Tax Calculator
Add or remove Kentucky sales tax (state + local rate) from any price.
Keyboard Tester
Test every key on your keyboard.
Keycode Finder
Press a key to see key/code/which.
Keyword Combiner / Mixer
Keyword Combiner / Mixer — no API, works on pasted data.
Keyword Density Analyzer (Paste URL HTML)
Keyword Density Analyzer (Paste URL HTML) — no API, works on pasted data.
Keyword Grouper (N-gram Clustering)
Keyword Grouper (N-gram Clustering) — no API, works on pasted data.
Keyword List Cleaner & Deduper
Keyword List Cleaner & Deduper — no API, works on pasted data.
Keyword Match Type Converter (Google Ads)
Keyword Match Type Converter (Google Ads) — no API, works on pasted data.
Kilobyte to Megabyte
Data Storage converter: Kilobyte to Megabyte with formula and conversion table.
Kilocalorie to Kilojoule
Energy converter: Kilocalorie to Kilojoule with formula and conversion table.
Kilogram to Gram
Weight converter: Kilogram to Gram with formula and conversion table.
Kilogram to Pound
Weight converter: Kilogram to Pound with formula and conversion table.
Kilogram to Stone
Weight converter: Kilogram to Stone with formula and conversion table.
Kilojoule to Kilocalorie
Energy converter: Kilojoule to Kilocalorie with formula and conversion table.
Kilowatt to Horsepower
Power converter: Kilowatt to Horsepower with formula and conversion table.
Kinetic Energy Calculator
Kinetic Energy Calculator with formula shown.
Kite Area Calculator
Find the area of a kite with steps.
Km per Hour to Knot
Speed converter: Km per Hour to Knot with formula and conversion table.
Km per Hour to Miles per Hour
Speed converter: Km per Hour to Miles per Hour with formula and conversion table.
Km per Liter to MPG (US)
Fuel Economy converter: Km per Liter to MPG (US) with formula and conversion table.
KML to GeoJSON
Convert KML into GeoJSON.
Knot to Km per Hour
Speed converter: Knot to Km per Hour with formula and conversion table.
L
Language Detector
Detect the language of text.
LaTeX to Image
Render LaTeX as PNG/SVG.
Law of Cosines Calculator
Law of Cosines Calculator with step-by-step working.
Law of Sines Calculator
Law of Sines Calculator with step-by-step working.
Layered Waves Generator
Layered Waves Generator with live preview and copy-ready code.
LCM Calculator
LCM Calculator with step-by-step working.
Lead Funnel Calculator
Lead Funnel Calculator for campaign planning and reporting.
Lean Body Mass Calculator
Lean Body Mass Calculator with clear results and explanation.
Leap Year Checker
Leap Year Checker — runs entirely offline.
LED Resistor Calculator
LED Resistor Calculator with formula shown.
LESS to CSS
Compile LESS to CSS.
Letterhead Maker
Letterhead Maker — fill a form, preview and download PDF/PNG.
LICENSE Generator
Pick and fill open-source licenses.
Life in Weeks Visualizer
Life in Weeks Visualizer — lightweight, fun, and shareable.
Limit Calculator
Limit Calculator with step-by-step working.
Line Break Generator for Instagram
Keep line breaks in captions/bios.
Line Ending Converter (CRLF/LF)
Convert Windows/Unix line endings.
Line Equation from Two Points
Line Equation from Two Points with step-by-step working.
Line Graph Maker
Line Graph Maker for pasted data.
Linear Equation Solver
Linear Equation Solver with step-by-step working.
Linear Regression Calculator
Linear Regression Calculator for pasted data.
Lined Paper Maker
Customize and print or download lined paper as PDF.
Link in Bio Page Builder (Static)
Link in Bio Page Builder (Static) — create, preview and export locally.
LinkedIn Banner Resizer
Crop and resize any image to the exact LinkedIn Banner size.
LinkedIn Bold/Italic Text Formatter
Bold and italic text for LinkedIn posts.
LinkedIn Character Counter
LinkedIn Character Counter — create, preview and export locally.
LinkedIn Company Cover Resizer
Crop and resize any image to the exact LinkedIn Company Cover size.
LinkedIn Post Formatter
LinkedIn Post Formatter — create, preview and export locally.
LinkedIn Post Resizer
Crop and resize any image to the exact LinkedIn Post size.
List Comparer
Find common and unique items in two lists.
Liter to Gallon
Volume converter: Liter to Gallon with formula and conversion table.
Liters per 100 km to MPG (US)
Fuel Economy converter: Liters per 100 km to MPG (US) with formula and conversion table.
Liters to Quarts
Convert liters to US quarts.
Loan Comparison Calculator
Loan Comparison Calculator with charts and breakdown.
Local SEO Citation Tracker (Spreadsheet)
Local SEO Citation Tracker (Spreadsheet) — no API, works on pasted data.
LocalBusiness Schema Generator
LocalBusiness Schema Generator — no API, works on pasted data.
Logarithm Calculator
Logarithm Calculator with step-by-step working.
Long Division Calculator (Steps)
Long Division Calculator (Steps) with step-by-step working.
Long Multiplication (Steps)
Long Multiplication (Steps) with step-by-step working.
Long-tail Keyword Permutation Generator
Long-tail Keyword Permutation Generator — no API, works on pasted data.
Loop Video
Repeat a video N times.
Lorem Ipsum Generator
Generate placeholder paragraphs, words, lists.
Lorem Ipsum HTML Generator
Lorem Ipsum HTML Generator with live preview and copy-ready code.
Lottery Number Generator
Lottery Number Generator — fair, instant and unlimited.
Louisiana Sales Tax Calculator
Add or remove Louisiana sales tax (state + local rate) from any price.
Love Calculator
Love Calculator — lightweight, fun, and shareable.
Loyalty Card Maker
Loyalty Card Maker — fill a form, preview and download PDF/PNG.
LRC Lyrics Timing Editor
Create timed LRC files while playing audio.
LSI / Related Terms Extractor (from Text)
LSI / Related Terms Extractor (from Text) — no API, works on pasted data.
LTV:CAC Ratio Calculator
LTV:CAC Ratio Calculator for campaign planning and reporting.
Luhn Checksum Validator
Validate Luhn check digits.
Lumpsum Investment Calculator
Lumpsum Investment Calculator with charts and breakdown.
M
M4A to AAC Converter
Convert M4A audio files to AAC with bitrate options.
M4A to MP3 Converter
Convert M4A audio files to MP3 with bitrate options.
M4A to OGG Converter
Convert M4A audio files to OGG with bitrate options.
M4A to WAV Converter
Convert M4A audio files to WAV with bitrate options.
MAC Address Formatter
Format MAC with colons/dashes/dots.
Macro Calculator
Macro Calculator with clear results and explanation.
Magic 8 Ball
Magic 8 Ball — lightweight, fun, and shareable.
Mailto Link Generator
Mailto Link Generator with live preview and copy-ready code.
Maine Sales Tax Calculator
Add or remove Maine sales tax (state + local rate) from any price.
Mandala Generator
Mandala Generator — printable or interactive, no login.
Margin of Error Calculator
Margin of Error Calculator for pasted data.
Markdown Editor
Write Markdown with live preview.
Markdown Formatter
Beautify and indent Markdown code with configurable style.
Markdown Table Generator
Build Markdown tables visually.
Markdown to HTML
Render Markdown into HTML.
Markdown to PDF
Render Markdown and save as PDF.
Markdown to Word (DOCX)
Create a DOCX from Markdown.
Marketing ROI Calculator
Marketing ROI Calculator for campaign planning and reporting.
Markup Calculator
Markup Calculator with charts and breakdown.
Maryland Sales Tax Calculator
Add or remove Maryland sales tax (state + local rate) from any price.
Massachusetts Sales Tax Calculator
Add or remove Massachusetts sales tax (state + local rate) from any price.
Matching Worksheet Maker
Matching Worksheet Maker — printable or interactive, no login.
Math Drill Practice
Math Drill Practice — printable or interactive, no login.
Math LaTeX Editor
Write LaTeX equations and export images.
Matrix Calculator
Matrix Calculator with step-by-step working.
Matrix Determinant Calculator
Matrix Determinant Calculator with step-by-step working.
Matrix Inverse Calculator
Matrix Inverse Calculator with step-by-step working.
Matrix Multiplication Calculator
Matrix Multiplication Calculator with step-by-step working.
Maze Generator
Maze Generator — printable or interactive, no login.
MB/s to Mbps
Data Transfer Rate converter: MB/s to Mbps with formula and conversion table.
Mbps to MB/s
Data Transfer Rate converter: Mbps to MB/s with formula and conversion table.
MD5 Hash Generator
Generate a MD5 hash from text instantly.
Meal Calorie Counter (Local Food List)
Meal Calorie Counter (Local Food List) with clear results and explanation.
Meal Planner Maker
Customize and print or download meal planner as PDF.
Mean Median Mode Calculator
Mean Median Mode Calculator for pasted data.
Meeting Cost Calculator
Meeting Cost Calculator — fill a form, preview and download PDF/PNG.
Meeting Notes Template
Meeting Notes Template — data stays on your device.
Meeting Planner (Multiple Time Zones)
Meeting Planner (Multiple Time Zones) — runs entirely offline.
Megabyte to Gigabyte
Data Storage converter: Megabyte to Gigabyte with formula and conversion table.
Megabyte to Kilobyte
Data Storage converter: Megabyte to Kilobyte with formula and conversion table.
Meme Generator
Add top/bottom captions to your own images.
Men's Clothing Size Converter
US, UK and EU sizes.
Mental Math Trainer
Mental Math Trainer — printable or interactive, no login.
Mermaid Diagram Editor
Write diagrams as code with preview.
Mesh Gradient Generator
Mesh Gradient Generator — copy HEX, RGB, HSL and CSS variables.
Meta Pixel Event Code Generator
Meta Pixel Event Code Generator for campaign planning and reporting.
Meta Tag Generator
Meta Tag Generator with live preview and copy-ready code.
Metronome
Adjustable BPM metronome.
Michigan Sales Tax Calculator
Add or remove Michigan sales tax (state + local rate) from any price.
Microphone Test
Check mic with level meter and playback.
Midpoint Calculator
Midpoint Calculator with step-by-step working.
Mileage Calculator
Mileage Calculator with formula shown.
Miles per Hour to Km per Hour
Speed converter: Miles per Hour to Km per Hour with formula and conversion table.
Military Time Converter
Military Time Converter — runs entirely offline.
Milliliter to Cup
Volume converter: Milliliter to Cup with formula and conversion table.
Milliliter to Fluid Ounce
Volume converter: Milliliter to Fluid Ounce with formula and conversion table.
MIME Type Lookup
Find MIME type by extension.
Mind Map Maker
Mind Map Maker — data stays on your device.
Minnesota Sales Tax Calculator
Add or remove Minnesota sales tax (state + local rate) from any price.
Minute to Hour
Time converter: Minute to Hour with formula and conversion table.
Mirror (Reversed) Text Generator
Turn normal text into mirror (reversed) Unicode text you can paste anywhere.
Mississippi Sales Tax Calculator
Add or remove Mississippi sales tax (state + local rate) from any price.
Missouri Sales Tax Calculator
Add or remove Missouri sales tax (state + local rate) from any price.
Mixed Operations Worksheet Generator
Make printable mixed operations worksheets with answer keys.
MKV to AVI Converter
Convert MKV video to AVI entirely in the browser.
MKV to GIF Converter
Convert MKV video to GIF entirely in the browser.
MKV to MOV Converter
Convert MKV video to MOV entirely in the browser.
MKV to MP3 (Extract Audio)
Extract the audio track from MKV as MP3.
MKV to MP4 Converter
Convert MKV video to MP4 entirely in the browser.
MKV to WAV (Extract Audio)
Extract the audio track from MKV as WAV.
MKV to WebM Converter
Convert MKV video to WebM entirely in the browser.
Mobile Viewport Previewer
Mobile Viewport Previewer with live preview and copy-ready code.
Mock API Response Builder
Design sample REST responses.
Modulo Calculator
Modulo Calculator with step-by-step working.
Mojibake Fixer
Fix garbled text from wrong encodings.
Molar Mass Calculator
Molar Mass Calculator with formula shown.
Molarity Calculator
Molarity Calculator with formula shown.
Money Counting Worksheet Generator
Make printable money counting worksheets with answer keys.
Monitor Color Calibration
Gamma, black and white level patterns.
Monochromatic Palette Generator
Monochromatic Palette Generator — copy HEX, RGB, HSL and CSS variables.
Monospace Text Generator
Turn normal text into monospace Unicode text you can paste anywhere.
Montana Sales Tax Calculator
Add or remove Montana sales tax (state + local rate) from any price.
Monthly Calendar Maker
Customize and print or download monthly calendar as PDF.
Monthly Expense Tracker
Monthly Expense Tracker with charts and breakdown.
Moon Phase Calendar
Moon Phase Calendar — runs entirely offline.
Morse Code Audio Generator
Play/download Morse as audio.
Morse Code Light/Flash Player
Blink Morse with screen/flashlight.
Morse Code Translator
Text to Morse and back.
Mortgage Affordability Calculator
Mortgage Affordability Calculator with charts and breakdown.
Mortgage Refinance Calculator
Break-even point and savings from refinancing.
Mouse Click Tester
Test buttons and double-click.
Mouse DPI Analyzer
Estimate mouse DPI.
Mouse Scroll Tester
Check scroll wheel.
MOV to AVI Converter
Convert MOV video to AVI entirely in the browser.
MOV to GIF Converter
Convert MOV video to GIF entirely in the browser.
MOV to MKV Converter
Convert MOV video to MKV entirely in the browser.
MOV to MP3 (Extract Audio)
Extract the audio track from MOV as MP3.
MOV to MP4 Converter
Convert MOV video to MP4 entirely in the browser.
MOV to WAV (Extract Audio)
Extract the audio track from MOV as WAV.
MOV to WebM Converter
Convert MOV video to WebM entirely in the browser.
MP3 to AAC Converter
Convert MP3 audio files to AAC with bitrate options.
MP3 to M4A Converter
Convert MP3 audio files to M4A with bitrate options.
MP3 to OGG Converter
Convert MP3 audio files to OGG with bitrate options.
MP3 to WAV Converter
Convert MP3 audio files to WAV with bitrate options.
MP4 to AVI Converter
Convert MP4 video to AVI entirely in the browser.
MP4 to GIF Converter
Convert MP4 video to GIF entirely in the browser.
MP4 to MKV Converter
Convert MP4 video to MKV entirely in the browser.
MP4 to MOV Converter
Convert MP4 video to MOV entirely in the browser.
MP4 to MP3 (Extract Audio)
Extract the audio track from MP4 as MP3.
MP4 to WAV (Extract Audio)
Extract the audio track from MP4 as WAV.
MP4 to WebM Converter
Convert MP4 video to WebM entirely in the browser.
MPG (US) to Km per Liter
Fuel Economy converter: MPG (US) to Km per Liter with formula and conversion table.
MPG (US) to Liters per 100 km
Fuel Economy converter: MPG (US) to Liters per 100 km with formula and conversion table.
MSI Barcode Generator
MSI Barcode Generator — download PNG/SVG, no limits.
Multiplication Chart
Multiplication Chart — printable or interactive, no login.
Multiplication Table Generator
Multiplication Table Generator with step-by-step working.
Multiplication Worksheet Generator
Make printable multiplication worksheets with answer keys.
MurmurHash3 Hash Generator
Generate a MurmurHash3 hash from text instantly.
Music Staff Paper Maker
Customize and print or download music staff paper as PDF.
Mute Video
Remove audio from a video.
N
N-up PDF (Pages per Sheet)
Print 2/4/9 pages per sheet.
Name Compatibility Game
Name Compatibility Game — lightweight, fun, and shareable.
Name Tracing Worksheet Maker
Name Tracing Worksheet Maker — printable or interactive, no login.
NanoID Generator
Short URL-safe IDs.
NAP Consistency Checker (Paste)
NAP Consistency Checker (Paste) — no API, works on pasted data.
NATO Phonetic Alphabet Converter
Spell text in Alpha-Bravo-Charlie.
Nebraska Sales Tax Calculator
Add or remove Nebraska sales tax (state + local rate) from any price.
Negative Circled Text Generator
Turn normal text into negative circled Unicode text you can paste anywhere.
Negative Keyword List Builder
Negative Keyword List Builder — no API, works on pasted data.
Net Promoter Score (NPS) Calculator
Net Promoter Score (NPS) Calculator for campaign planning and reporting.
Net Worth Calculator
Net Worth Calculator with charts and breakdown.
Network Latency Tester (to Cloudflare edge)
Ping your own site edge with fetch timing.
Nevada Sales Tax Calculator
Add or remove Nevada sales tax (state + local rate) from any price.
New Hampshire Sales Tax Calculator
Add or remove New Hampshire sales tax (state + local rate) from any price.
New Jersey Sales Tax Calculator
Add or remove New Jersey sales tax (state + local rate) from any price.
New Mexico Sales Tax Calculator
Add or remove New Mexico sales tax (state + local rate) from any price.
New York Sales Tax Calculator
Add or remove New York sales tax (state + local rate) from any price.
Nginx Config Generator
Generate server blocks.
Noise Texture Generator
Noise Texture Generator with live preview and copy-ready code.
Normal Distribution Calculator
Normal Distribution Calculator for pasted data.
North Carolina Sales Tax Calculator
Add or remove North Carolina sales tax (state + local rate) from any price.
North Dakota Sales Tax Calculator
Add or remove North Dakota sales tax (state + local rate) from any price.
Note Taking App (Offline)
Note Taking App (Offline) — data stays on your device.
NPV Calculator
NPV Calculator with charts and breakdown.
Nth Root Calculator
Nth Root Calculator with step-by-step working.
Number Line Tool
Number Line Tool — printable or interactive, no login.
Number Line Worksheet Generator
Make printable number line worksheets with answer keys.
Number Lines
Add line numbers.
Number to Words Converter
Number to Words Converter with step-by-step working.
Number Tracing Worksheet
Number Tracing Worksheet — printable or interactive, no login.
Numerology Calculator
Numerology Calculator — lightweight, fun, and shareable.
O
OAuth PKCE Generator
Create code_verifier and challenge.
Octagon Area Calculator
Find the area of a octagon with steps.
ODT to Text
Extract text from OpenDocument files.
Office Metadata Remover
Remove author and company data from DOCX/XLSX/PPTX.
Offline Translator
Translate between languages with in-browser models.
OGG to AAC Converter
Convert OGG audio files to AAC with bitrate options.
OGG to M4A Converter
Convert OGG audio files to M4A with bitrate options.
OGG to MP3 Converter
Convert OGG audio files to MP3 with bitrate options.
OGG to WAV Converter
Convert OGG audio files to WAV with bitrate options.
Ohio Sales Tax Calculator
Add or remove Ohio sales tax (state + local rate) from any price.
Ohm's Law Calculator
Ohm's Law Calculator with formula shown.
Oklahoma Sales Tax Calculator
Add or remove Oklahoma sales tax (state + local rate) from any price.
OKLCH to HEX Color Converter
Convert OKLCH colors to HEX with live swatch.
OKLCH to RGB Color Converter
Convert OKLCH colors to RGB with live swatch.
One Rep Max Calculator
One Rep Max Calculator with clear results and explanation.
Online / Offline Status Checker
Monitor connection status.
Online Guitar Tuner
Tune guitar with your mic.
Online Notepad
Autosaving notepad in your browser.
Online Piano
Play piano with keyboard or mouse.
Online Text Editor with Export
Write and export TXT/DOCX/PDF.
Online Timer
Online Timer — runs entirely offline.
Online Whiteboard
Online Whiteboard — printable or interactive, no login.
Open Graph Meta Generator
Open Graph Meta Generator with live preview and copy-ready code.
OpenAPI / Swagger Viewer
View API docs from a spec file.
OPUS to AAC Converter
Convert OPUS audio files to AAC with bitrate options.
OPUS to M4A Converter
Convert OPUS audio files to M4A with bitrate options.
OPUS to MP3 Converter
Convert OPUS audio files to MP3 with bitrate options.
OPUS to OGG Converter
Convert OPUS audio files to OGG with bitrate options.
OPUS to WAV Converter
Convert OPUS audio files to WAV with bitrate options.
Oregon Sales Tax Calculator
Add or remove Oregon sales tax (state + local rate) from any price.
Org Chart Maker
Org Chart Maker — fill a form, preview and download PDF/PNG.
Organization Schema Generator
Organization Schema Generator — no API, works on pasted data.
OTF to TTF Font Converter
Convert OTF font files to TTF.
OTF to WOFF Font Converter
Convert OTF font files to WOFF.
OTF to WOFF2 Font Converter
Convert OTF font files to WOFF2.
Ounce to Gram
Weight converter: Ounce to Gram with formula and conversion table.
Outlier Detector
Outlier Detector for pasted data.
Outline / Bullet Journal
Outline / Bullet Journal — data stays on your device.
Oven Temperature Converter
°F, °C and gas mark.
Overtime Pay Calculator
Overtime Pay Calculator with charts and breakdown.
Ovulation Calculator
Ovulation Calculator with clear results and explanation.
P
P-Value Calculator
P-Value Calculator for pasted data.
Pace Calculator (Running)
Pace Calculator (Running) with clear results and explanation.
package.json Generator
Create package.json from a form.
Packing List Generator
Packing List Generator — data stays on your device.
Page Speed Budget Calculator
Page Speed Budget Calculator — no API, works on pasted data.
Paint Calculator
Paint Calculator with formula shown.
Palette from Image
Palette from Image — copy HEX, RGB, HSL and CSS variables.
Palindrome Checker
Check if text reads the same backwards.
Panorama Carousel Splitter
Cut a wide image into swipeable carousel slides.
Parallelogram Area Calculator
Find the area of a parallelogram with steps.
Parallelogram Perimeter Calculator
Find the perimeter of a parallelogram with steps.
Passive Voice Detector
Highlight passive sentences.
Passport Photo (US 2x2) Resizer
Crop and resize any image to the exact Passport Photo (US 2x2) size.
Passport Photo Maker
Make passport/visa photos with white background and print sheet.
Password ZIP Creator (AES)
Create AES-encrypted ZIP archives.
Payment Receipt Generator (for your business)
Payment Receipt Generator (for your business) — fill a form, preview and download PDF/PNG.
Payslip Generator
Payslip Generator — fill a form, preview and download PDF/PNG.
PBKDF2 Hash Generator
Generate a PBKDF2 hash from text instantly.
PDF Booklet Maker
Rearrange pages for booklet printing.
PDF Bookmark Editor
Add or edit PDF outlines.
PDF Inverter (Dark Mode)
Invert PDF colors for night reading.
PDF OCR (Make Searchable)
Add a text layer to scanned PDFs.
PDF Page Counter
Count pages in many PDFs at once.
PDF Redaction Tool
Black-box and permanently remove sensitive content.
PDF to Excel (Tables)
Pull table-like text into a spreadsheet.
PDF to HTML
Convert PDF text layer to HTML.
PDF to Markdown
Extract PDF text as Markdown.
PDF to Word (Text-based)
Rebuild PDF text into an editable DOCX.
PDF Viewer
Fast private PDF viewer.
PDF/File Link QR Code
PDF/File Link QR Code — download PNG/SVG, no limits.
PDF417 Generator
PDF417 Generator — download PNG/SVG, no limits.
Pennsylvania Sales Tax Calculator
Add or remove Pennsylvania sales tax (state + local rate) from any price.
Pentagon Area Calculator
Find the area of a pentagon with steps.
Percentage to CGPA Converter
Percentage to CGPA Converter — printable or interactive, no login.
Percentile Calculator
Percentile Calculator for pasted data.
Period Tracker Calendar
Period Tracker Calendar with clear results and explanation.
Periodic Table (Interactive)
Periodic Table (Interactive) with formula shown.
Permutation Calculator (nPr)
Permutation Calculator (nPr) with step-by-step working.
Person Schema Generator
Person Schema Generator — no API, works on pasted data.
PGP Encrypt/Decrypt
Encrypt messages with PGP.
PGP Key Generator
Generate OpenPGP keys.
PGP Sign & Verify
Sign and verify messages.
pH Calculator
pH Calculator with formula shown.
Pharmacode Generator
Pharmacode Generator — download PNG/SVG, no limits.
Phone Call QR Code Generator
Phone Call QR Code Generator — download PNG/SVG, no limits.
Phone Number Formatter
Format numbers in E.164 by country.
Photo Booth (Webcam Filters)
Photo Booth (Webcam Filters) — lightweight, fun, and shareable.
Photo Filters (Instagram-style)
Apply 30+ preset photo filters.
Photo Print Sheet Maker
Lay out multiple photos on A4/4x6 for printing.
Photo to Cartoon
Cartoonize photos with edge + color quantization.
Photo to Coloring Page
Turn photos into printable line-art coloring pages.
Photo to Sketch
Convert photos into pencil sketches.
PHP Formatter
Beautify and indent PHP code with configurable style.
PHP Online Runner
Run PHP code in the browser.
Picture in Picture Video
Overlay one video on another.
Pie Chart Maker
Pie Chart Maker for pasted data.
PIN Generator
Random secure PINs.
Pinterest Pin Resizer
Crop and resize any image to the exact Pinterest Pin size.
Pitch Shifter
Change pitch without changing speed.
Pixel Art Coloring Grid Maker
Pixel Art Coloring Grid Maker — printable or interactive, no login.
Pixel Art Editor
Pixel Art Editor — lightweight, fun, and shareable.
Pixel Ruler / Screen Measure
Measure pixels on screen.
Pixelate / Censor Image
Pixelate faces, plates or private info.
Place Value Worksheet Generator
Make printable place value worksheets with answer keys.
Playfair Cipher
Classic digraph cipher.
PMI Calculator
Private mortgage insurance cost and when it drops off.
Podcast Cover Art Maker
Podcast Cover Art Maker — create, preview and export locally.
Poisson Distribution Calculator
Poisson Distribution Calculator for pasted data.
Polaroid Frame Maker
Put photos inside a polaroid frame.
Polynomial Calculator
Polynomial Calculator with step-by-step working.
Pomodoro Timer
Pomodoro Timer — runs entirely offline.
Port Number Reference
Common TCP/UDP ports lookup.
Potential Energy Calculator
Potential Energy Calculator with formula shown.
Pound to Kilogram
Weight converter: Pound to Kilogram with formula and conversion table.
Power (P=VI) Calculator
Power (P=VI) Calculator with formula shown.
Power Converter (All Units)
Convert between all power units instantly with a live table.
PowerPoint (PPTX) to Text
Extract slide text from PPTX.
PPTX Image Extractor
Save all images from a PPTX.
Pregnancy Due Date Calculator
Pregnancy Due Date Calculator with clear results and explanation.
Present Value Calculator
Present Value Calculator with charts and breakdown.
Pressure Calculator
Pressure Calculator with formula shown.
Pressure Converter (All Units)
Convert between all pressure units instantly with a live table.
Price Per Unit Calculator
Price Per Unit Calculator with charts and breakdown.
Price Tag Maker
Price Tag Maker — fill a form, preview and download PDF/PNG.
Prime Factorization Calculator
Prime Factorization Calculator with step-by-step working.
Prime Number Checker
Prime Number Checker with step-by-step working.
Prime Numbers List Generator
Prime Numbers List Generator with step-by-step working.
Printable Calendar Generator
Printable Calendar Generator — runs entirely offline.
Privacy Policy Generator
Fill a template privacy policy.
Probability Calculator
Probability Calculator for pasted data.
Product Description Template Builder
Product Description Template Builder — fill a form, preview and download PDF/PNG.
Product Pricing Calculator
Product Pricing Calculator — fill a form, preview and download PDF/PNG.
Product Schema Generator
Product Schema Generator — no API, works on pasted data.
Profile Picture Frame Maker
Profile Picture Frame Maker — create, preview and export locally.
Profit Margin Calculator
Profit Margin Calculator with charts and breakdown.
Proforma Invoice Generator
Proforma Invoice Generator — fill a form, preview and download PDF/PNG.
Projectile Motion Calculator
Projectile Motion Calculator with formula shown.
Property Tax Estimator
Estimate annual property tax from home value and local rate.
Proportion Solver
Proportion Solver with step-by-step working.
Pros and Cons List
Pros and Cons List — data stays on your device.
Protect PDF (Password)
Encrypt a PDF with a password.
Protein Intake Calculator
Protein Intake Calculator with clear results and explanation.
Provident Fund Calculator
Provident Fund Calculator with charts and breakdown.
PSI to Bar
Pressure converter: PSI to Bar with formula and conversion table.
PST to CST Converter
Convert PST time to CST with daylight saving handled automatically.
PST to EST Converter
Convert PST time to EST with daylight saving handled automatically.
PT to PX
CSS Units converter: PT to PX with formula and conversion table.
Punycode Converter (IDN)
Convert Unicode domains to xn--.
Purchase Order Generator
Purchase Order Generator — fill a form, preview and download PDF/PNG.
PX to EM
CSS Units converter: PX to EM with formula and conversion table.
PX to PT
CSS Units converter: PX to PT with formula and conversion table.
PX to REM
CSS Units converter: PX to REM with formula and conversion table.
PX to VW
CSS Units converter: PX to VW with formula and conversion table.
Pyramid Surface Area Calculator
Calculate the surface area of a pyramid.
Pyramid Volume Calculator
Calculate the volume of a pyramid.
Pythagorean Theorem Calculator
Pythagorean Theorem Calculator with step-by-step working.
Python Formatter
Beautify and indent Python code with configurable style.
Python Online Compiler
Run Python in the browser.
Q
QR Code Decoder (from Image)
Read a QR code from an uploaded image.
QR Code Reader (Image Upload)
QR Code Reader (Image Upload) — download PNG/SVG, no limits.
QR Code Scanner (Camera)
QR Code Scanner (Camera) — download PNG/SVG, no limits.
QR Code with Logo Generator
QR Code with Logo Generator — download PNG/SVG, no limits.
Quadratic Equation Solver
Quadratic Equation Solver with step-by-step working.
Quarterly Estimated Tax Calculator
Plan IRS quarterly estimated payments for 1099 income.
Quartile Calculator
Quartile Calculator for pasted data.
Quarts to Liters
Convert US quarts to liters.
Query String Builder
Build and edit URL parameters.
Query String to JSON
Convert Query String into JSON.
Quiz Maker (Printable)
Quiz Maker (Printable) — printable or interactive, no login.
Quotation / Estimate Generator
Quotation / Estimate Generator — fill a form, preview and download PDF/PNG.
Quote Image Maker
Create shareable quote cards.
Quoted-Printable Encoder/Decoder
Email QP encoding.
R
Radian to Degree
Angle converter: Radian to Degree with formula and conversion table.
Rail Fence Cipher
Zig-zag transposition cipher.
Random Address Generator (Test Data)
Random Address Generator (Test Data) — fair, instant and unlimited.
Random Card Draw
Random Card Draw — fair, instant and unlimited.
Random Color Generator
Random Color Generator — copy HEX, RGB, HSL and CSS variables.
Random Color Palette
Random Color Palette — fair, instant and unlimited.
Random Date Generator
Random Date Generator — fair, instant and unlimited.
Random Emoji Generator
Random Emoji Generator — fair, instant and unlimited.
Random Fake Name Generator (Test Data)
Random Fake Name Generator (Test Data) — fair, instant and unlimited.
Random Group Generator
Random Group Generator — fair, instant and unlimited.
Random Letter Generator
Random Letter Generator — fair, instant and unlimited.
Random List Shuffler
Random List Shuffler — fair, instant and unlimited.
Random Name Picker
Random Name Picker — fair, instant and unlimited.
Random Number Generator
Random Number Generator — fair, instant and unlimited.
Random Question Generator (Icebreakers)
Random Question Generator (Icebreakers) — fair, instant and unlimited.
Random Quote Generator (Local)
Random Quote Generator (Local) — fair, instant and unlimited.
Random Sample Picker
Random Sample Picker — fair, instant and unlimited.
Random Seat Assigner
Random Seat Assigner — fair, instant and unlimited.
Random Student Picker
Random Student Picker — printable or interactive, no login.
Random Team Generator
Random Team Generator — fair, instant and unlimited.
Random Token Generator
Hex/Base64 tokens of any length.
Random Word Generator
Random Word Generator — fair, instant and unlimited.
Random Writing Prompt
Random Writing Prompt — fair, instant and unlimited.
Random Yes/No Generator
Random Yes/No Generator — fair, instant and unlimited.
Range & IQR Calculator
Range & IQR Calculator for pasted data.
Rankine to Celsius
Temperature converter: Rankine to Celsius with formula and conversion table.
Rankine to Fahrenheit
Temperature converter: Rankine to Fahrenheit with formula and conversion table.
Rankine to Kelvin
Temperature converter: Rankine to Kelvin with formula and conversion table.
Ratio Calculator
Ratio Calculator with step-by-step working.
Reaction Time Test
Measure your reaction speed.
Reading List Tracker
Reading List Tracker — data stays on your device.
Reading Log Maker
Customize and print or download reading log as PDF.
README Generator
Create a GitHub README from a form.
Rebar Weight Calculator
Rebar Weight Calculator with formula shown.
Recipe Schema Generator
Recipe Schema Generator — no API, works on pasted data.
Rectangle Area Calculator
Find the area of a rectangle with steps.
Rectangle Perimeter Calculator
Find the perimeter of a rectangle with steps.
Red Eye Remover
Fix red eyes in flash photos.
Redirect Map Builder (CSV)
Redirect Map Builder (CSV) — no API, works on pasted data.
Regex Explainer
Explain a regex in plain English.
Regex Generator from Examples
Build a regex from sample strings.
Regex Tester
Test regular expressions with match highlighting.
Regex Validator
Check Regex for syntax errors and show the exact line.
Regular Polygon Area Calculator
Find the area of a regular polygon with steps.
REM to PX
CSS Units converter: REM to PX with formula and conversion table.
Remove Accents (Diacritics)
Convert café to cafe.
Remove Emojis
Strip emojis from text.
Remove Empty Lines
Delete blank lines.
Remove Extra Spaces
Collapse multiple spaces and trim.
Remove HTML Tags
Strip HTML to plain text.
Remove Line Breaks
Join lines into a paragraph.
Remove Non-ASCII Characters
Keep only ASCII.
Remove Numbers from Text
Strip digits.
Remove Punctuation
Strip punctuation marks.
Rent Affordability Calculator
How much rent you can afford (30% rule and more).
Rent vs Buy Calculator
Rent vs Buy Calculator with charts and breakdown.
Required Minimum Distribution (RMD) Calculator
RMD amount from IRA/401(k) balance and age.
Resistor Color Code Calculator
Resistor Color Code Calculator with formula shown.
Resize PDF Pages (A4/Letter)
Change page size of PDFs.
Responsive Breakpoint Tester
Responsive Breakpoint Tester with live preview and copy-ready code.
Restaurant Menu Maker
Restaurant Menu Maker — fill a form, preview and download PDF/PNG.
Resume / CV Builder
Resume / CV Builder — fill a form, preview and download PDF/PNG.
Retention Rate Calculator
Retention Rate Calculator for campaign planning and reporting.
Retirement Date Calculator
Retirement Date Calculator — runs entirely offline.
Retirement Savings Calculator
Retirement Savings Calculator with charts and breakdown.
Retirement Withdrawal (4% Rule) Calculator
Safe yearly withdrawal from your nest egg.
Reverse Audio
Play audio backwards.
Reverse Text
Reverse characters, words or lines.
Reverse Video
Play video backwards.
Review / Rating Schema Generator
Review / Rating Schema Generator — no API, works on pasted data.
Review Request Link & QR Generator
Review Request Link & QR Generator — no API, works on pasted data.
Reward Chart Maker
Customize and print or download reward chart as PDF.
RGB to CMYK Color Converter
Convert RGB colors to CMYK with live swatch.
RGB to HEX Color Converter
Convert RGB colors to HEX with live swatch.
RGB to HSL Color Converter
Convert RGB colors to HSL with live swatch.
RGB to HSV Color Converter
Convert RGB colors to HSV with live swatch.
RGB to OKLCH Color Converter
Convert RGB colors to OKLCH with live swatch.
Rhode Island Sales Tax Calculator
Add or remove Rhode Island sales tax (state + local rate) from any price.
Rhombus Area Calculator
Find the area of a rhombus with steps.
Rhombus Perimeter Calculator
Find the perimeter of a rhombus with steps.
Rich Text Editor
WYSIWYG editor with HTML export.
Rich Text to HTML
Paste formatted text and get HTML.
Right Triangle Solver
Right Triangle Solver with step-by-step working.
Ring Size Converter
US ring sizes to diameter and intl sizes.
Ringtone Maker
Cut a song into a ringtone (MP3/M4R).
RIPEMD-160 Hash Generator
Generate a RIPEMD-160 hash from text instantly.
Road Trip Gas Cost Calculator
Fuel cost for a trip by MPG and gas price.
ROAS Calculator
ROAS Calculator for campaign planning and reporting.
Robots Meta Tag Generator
Robots Meta Tag Generator — no API, works on pasted data.
Robots.txt Generator
Robots.txt Generator — no API, works on pasted data.
Robots.txt Tester (Paste)
Robots.txt Tester (Paste) — no API, works on pasted data.
ROI Calculator
ROI Calculator with charts and breakdown.
Roman Numeral Converter
Roman Numeral Converter with step-by-step working.
Roof Pitch Calculator
Roof Pitch Calculator with formula shown.
ROT13 Encoder/Decoder
Rotate letters by 13.
ROT47 Encoder/Decoder
Rotate ASCII by 47.
Roth IRA Calculator
Project tax-free Roth IRA growth.
Roth vs Traditional IRA Calculator
Compare after-tax outcomes of Roth vs traditional contributions.
Round Corners on Image
Give images rounded corners with transparency.
Round Robin Schedule Generator
Round Robin Schedule Generator — fair, instant and unlimited.
Rounding Calculator
Rounding Calculator with step-by-step working.
Rounding Worksheet Generator
Make printable rounding worksheets with answer keys.
RSA Encrypt/Decrypt
Encrypt text with RSA keys.
RSA Key Pair Generator
Generate RSA public/private keys (PEM).
RSS Feed Generator
Create RSS XML from a list of items.
RTF to HTML
Convert RTF to HTML.
RTF to Text
Extract text from RTF files.
S
Salary to Hourly Calculator
Salary to Hourly Calculator with charts and breakdown.
Salary to Paycheck Calculator
Convert annual salary to weekly, bi-weekly, semi-monthly and monthly take-home pay.
Sales Tax Calculator
Sales Tax Calculator with charts and breakdown.
Sample Size Calculator
Sample Size Calculator for pasted data.
Sans-Serif Bold Text Generator
Turn normal text into sans-serif bold Unicode text you can paste anywhere.
Savings Goal Calculator
Savings Goal Calculator with charts and breakdown.
SBV to SRT Subtitle Converter
Convert SBV subtitle files to SRT.
SBV to VTT Subtitle Converter
Convert SBV subtitle files to VTT.
Scatter Plot Maker
Scatter Plot Maker for pasted data.
Schema Markup Validator (JSON-LD Syntax)
Schema Markup Validator (JSON-LD Syntax) — no API, works on pasted data.
Scientific Calculator
Scientific Calculator with step-by-step working.
Scientific Notation Converter
Scientific Notation Converter with step-by-step working.
Scoreboard / Scorekeeper
Scoreboard / Scorekeeper — lightweight, fun, and shareable.
Screen + Webcam Recorder
Record screen with face-cam bubble.
Screen Annotation Tool
Screen Annotation Tool — data stays on your device.
Screen Recorder
Record your screen with mic audio.
Screen Refresh Rate Test
Measure monitor Hz.
Screen Ruler
Measure objects on screen.
Screen Size (PPI) Calculator
Calculate PPI from resolution and diagonal.
Screen Uniformity / Backlight Bleed Test
Find backlight bleed.
Screenshot Beautifier
Add gradient backgrounds, shadows and frames to screenshots.
Screenshot to Social Card
Screenshot to Social Card — create, preview and export locally.
Screenshot to Text
Paste a screenshot and get text.
Script / Cursive Text Generator
Turn normal text into script / cursive Unicode text you can paste anywhere.
SCSS Formatter
Beautify and indent SCSS code with configurable style.
SCSS to CSS
Compile SCSS/Sass to CSS.
Search Operator Builder (Google Dorks for SEO)
Search Operator Builder (Google Dorks for SEO) — no API, works on pasted data.
Seating Chart Maker
Customize and print or download seating chart as PDF.
Secret Santa Generator
Secret Santa Generator — fair, instant and unlimited.
Secure Note (Self-Encrypting Link)
Encrypt a note into a shareable URL hash.
Security Headers Generator
HSTS, X-Frame-Options, etc.
Self-Employment Tax Calculator
Estimate 15.3% SE tax and deduction for freelancers and 1099 workers.
Self-Signed Certificate Generator
Create test SSL certs.
Semver Calculator
Check version ranges and bumps.
Sentiment Analyzer
Score text as positive/negative.
SEO Audit Checklist (Interactive)
SEO Audit Checklist (Interactive) — no API, works on pasted data.
Sepia Filter
Apply vintage sepia tone.
Series & Parallel Resistor Calculator
Series & Parallel Resistor Calculator with formula shown.
Service Schema Generator
Service Schema Generator — no API, works on pasted data.
SHA-1 Hash Generator
Generate a SHA-1 hash from text instantly.
SHA-224 Hash Generator
Generate a SHA-224 hash from text instantly.
SHA-256 Hash Generator
Generate a SHA-256 hash from text instantly.
SHA-384 Hash Generator
Generate a SHA-384 hash from text instantly.
SHA-512 Hash Generator
Generate a SHA-512 hash from text instantly.
SHA3-256 Hash Generator
Generate a SHA3-256 hash from text instantly.
SHA3-512 Hash Generator
Generate a SHA3-512 hash from text instantly.
Shift Schedule Planner
Shift Schedule Planner — runs entirely offline.
Shipping Label Maker
Shipping Label Maker — fill a form, preview and download PDF/PNG.
Shipping Weight (Volumetric) Calculator
Shipping Weight (Volumetric) Calculator — fill a form, preview and download PDF/PNG.
Shoe Size Converter (US/UK/EU)
Men’s, women’s and kids’ shoe sizes.
Shopify / WooCommerce CSV Builder
Shopify / WooCommerce CSV Builder — fill a form, preview and download PDF/PNG.
Shopify Product Image Resizer
Crop and resize any image to the exact Shopify Product Image size.
Shopify Profit Margin Calculator
Margin after product, shipping and payment costs.
Shuffle Lines
Randomize line order.
Signature Background Remover
Clean a scanned signature into a transparent PNG.
Signature Maker (Draw/Type)
Signature Maker (Draw/Type) — data stays on your device.
Significant Figures Calculator
Significant Figures Calculator with step-by-step working.
Silence Remover
Cut silent parts from recordings.
SIP Calculator
SIP Calculator with charts and breakdown.
Sitemap XML Generator (from URL list)
Paste URLs and get sitemap.xml.
Skip Counting Worksheet Generator
Make printable skip counting worksheets with answer keys.
Sleep Cycle Calculator
Sleep Cycle Calculator with clear results and explanation.
Slope Calculator
Slope Calculator with step-by-step working.
Small Caps Text Generator
Turn normal text into small caps Unicode text you can paste anywhere.
SMS QR Code Generator
SMS QR Code Generator — download PNG/SVG, no limits.
snake_case Converter
Convert to snake_case.
Social Media Image Size Guide
Social Media Image Size Guide — create, preview and export locally.
Social Media Post Scheduler Calendar (Local)
Social Media Post Scheduler Calendar (Local) — create, preview and export locally.
Social Security Benefits Estimator
Rough benefit estimate by claiming age.
Social Share Buttons Generator
Social Share Buttons Generator with live preview and copy-ready code.
SoftwareApplication Schema Generator
SoftwareApplication Schema Generator — no API, works on pasted data.
Solar Panel Size Calculator
Solar Panel Size Calculator with formula shown.
Sort Lines Alphabetically
Sort A-Z, Z-A, by length, natural.
Sound Level Meter (dB)
Measure approximate loudness with mic.
South Carolina Sales Tax Calculator
Add or remove South Carolina sales tax (state + local rate) from any price.
South Dakota Sales Tax Calculator
Add or remove South Dakota sales tax (state + local rate) from any price.
Spacing Scale Generator
Spacing Scale Generator with live preview and copy-ready code.
Speaker Test (Left/Right)
Test stereo channels.
Speech to Text (Dictation)
Type with your voice.
Speed Converter (All Units)
Convert between all speed units instantly with a live table.
Speed Distance Time Calculator
Speed Distance Time Calculator with formula shown.
Spell Checker
Check spelling offline.
Spelling Bee Practice (TTS)
Spelling Bee Practice (TTS) — printable or interactive, no login.
Spelling Test Maker
Spelling Test Maker — printable or interactive, no login.
SPF Record Generator
Build SPF TXT records.
Sphere Surface Area Calculator
Calculate the surface area of a sphere.
Sphere Volume Calculator
Calculate the volume of a sphere.
Spin the Wheel (Picker Wheel)
Spin the Wheel (Picker Wheel) — fair, instant and unlimited.
Split Screen Video
Place two videos side by side.
Sprite Sheet Generator
Pack images into a CSS sprite sheet.
Sprite Sheet Slicer
Cut a sprite sheet into individual images.
SQL Escape Tool
Escape SQL strings.
SQL Formatter
Beautify and indent SQL code with configurable style.
SQL Minifier
Minify SQL to reduce file size.
SQL Playground (SQLite)
Run SQL queries on an in-browser database.
SQL to JSON
Convert SQL into JSON.
Square Area Calculator
Find the area of a square with steps.
Square Foot to Acre
Area converter: Square Foot to Acre with formula and conversion table.
Square Foot to Square Meter
Area converter: Square Foot to Square Meter with formula and conversion table.
Square Meter to Acre
Area converter: Square Meter to Acre with formula and conversion table.
Square Meter to Square Foot
Area converter: Square Meter to Square Foot with formula and conversion table.
Square Perimeter Calculator
Find the perimeter of a square with steps.
Square Root Calculator
Square Root Calculator with step-by-step working.
Squared Text Generator
Turn normal text into squared Unicode text you can paste anywhere.
SSH Key Generator
Create OpenSSH key pairs.
SSL Certificate Decoder
Decode PEM certificates.
Stair Calculator
Stair Calculator with formula shown.
Standard Deviation Calculator
Standard Deviation Calculator for pasted data.
Standard vs Itemized Deduction Calculator
See whether itemizing beats the standard deduction.
Steel Weight Calculator
Steel Weight Calculator with formula shown.
Steganography: Hide Text in Image
Hide a secret message inside an image.
Steganography: Reveal Text from Image
Extract hidden messages.
Steps to Km Converter
Steps to Km Converter with clear results and explanation.
Sticks of Butter Converter
Sticks to cups, tbsp and grams.
Sticky Notes Board
Sticky Notes Board — data stays on your device.
Stock Profit Calculator
Stock Profit Calculator with charts and breakdown.
Stone to Kilogram
Weight converter: Stone to Kilogram with formula and conversion table.
Stopwatch
Stopwatch — runs entirely offline.
Storage Quota Checker
See browser storage usage and quota.
Story Template Maker
Story Template Maker — create, preview and export locally.
Storyboard Template Maker
Customize and print or download storyboard template as PDF.
Strikethrough Text Generator
Turn normal text into strikethrough Unicode text you can paste anywhere.
String Escape Tool (JS/Java/C#)
Escape strings for code.
Student Loan Repayment Calculator
Payoff time and interest for student loans.
Study Timetable Maker
Study Timetable Maker — printable or interactive, no login.
SUB to SRT Subtitle Converter
Convert SUB subtitle files to SRT.
SUB to VTT Subtitle Converter
Convert SUB subtitle files to VTT.
Subnet Mask Cheat Sheet
All masks with host counts.
Subscript Text Generator
Turn normal text into subscript Unicode text you can paste anywhere.
Subtitle Generator (Auto Captions)
Transcribe video audio to SRT in the browser.
Subtitle Merger
Merge two subtitle files.
Subtitle Time Shifter
Shift subtitle timing forward/back.
Subtitle to Text
Extract plain text from subtitles.
Subtraction Worksheet Generator
Make printable subtraction worksheets with answer keys.
Sudoku Generator
Sudoku Generator — printable or interactive, no login.
Sudoku Solver
Sudoku Solver — printable or interactive, no login.
Sunrise & Sunset Calculator
Sunrise & Sunset Calculator — runs entirely offline.
Superscript Text Generator
Turn normal text into superscript Unicode text you can paste anywhere.
SVG Blob Generator
SVG Blob Generator with live preview and copy-ready code.
SVG Editor
Edit SVG code with live preview.
SVG Minifier
Minify SVG to reduce file size.
SVG Optimizer
Clean and shrink SVG files.
SVG Pattern Generator
SVG Pattern Generator with live preview and copy-ready code.
SVG Shape Divider Generator
SVG Shape Divider Generator with live preview and copy-ready code.
SVG to Data URI
Encode SVG for CSS backgrounds.
SVG to JPG Converter
Convert SVG images to JPG format, single or batch, without uploading.
SVG to JSX / React Component
Turn SVG into a React component.
SVG to PDF Converter
Convert SVG images to PDF format, single or batch, without uploading.
SVG to PNG Converter
Convert SVG images to PNG format, single or batch, without uploading.
SVG to WebP Converter
Convert SVG images to WebP format, single or batch, without uploading.
SVG Wave Generator
SVG Wave Generator with live preview and copy-ready code.
SWOT Analysis Template
SWOT Analysis Template — fill a form, preview and download PDF/PNG.
Syllable Counter
Count syllables in words.
Symbols & Special Characters
Copy ✓ ★ ♥ → and more.
Symmetry Drawing Tool
Symmetry Drawing Tool — printable or interactive, no login.
Syntax Highlighter (HTML export)
Highlight code and copy HTML.
System of Equations Solver
System of Equations Solver with step-by-step working.
T
T-Test Calculator
T-Test Calculator for pasted data.
Tab to Spaces Converter
Convert tabs to spaces and back.
Table Image to Excel
OCR a table image into CSV/XLSX.
Table of Contents Generator
Table of Contents Generator — no API, works on pasted data.
Tablespoon to Teaspoon
Cooking converter: Tablespoon to Teaspoon with formula and conversion table.
Tailwind Color Palette Generator
Tailwind Color Palette Generator — copy HEX, RGB, HSL and CSS variables.
Take-Home Salary Calculator
Take-Home Salary Calculator with charts and breakdown.
Tax Bracket Calculator
See which IRS tax bracket you fall into and your marginal rate.
Tax Refund Estimator
Estimate your federal refund or amount owed.
TDEE Calculator
TDEE Calculator with clear results and explanation.
Teaspoon to Tablespoon
Cooking converter: Teaspoon to Tablespoon with formula and conversion table.
Telegram Channel Photo Resizer
Crop and resize any image to the exact Telegram Channel Photo size.
Telegram Link Generator
Telegram Link Generator — create, preview and export locally.
Teleprompter
Scrolling script reader with speed control.
Telling Time Worksheet Generator
Make printable telling time worksheets with answer keys.
Temperature Converter (All Units)
Convert between all temperature units instantly with a live table.
Tennessee Sales Tax Calculator
Add or remove Tennessee sales tax (state + local rate) from any price.
Terabyte to Gigabyte
Data Storage converter: Terabyte to Gigabyte with formula and conversion table.
Terms & Conditions Generator
Fill a template T&C page.
Texas Sales Tax Calculator
Add or remove Texas sales tax (state + local rate) from any price.
Text (ASCII) to Binary Converter
Convert text (ascii) values to binary.
Text (ASCII) to Decimal Converter
Convert text (ascii) values to decimal.
Text (ASCII) to Hexadecimal Converter
Convert text (ascii) values to hexadecimal.
Text (ASCII) to Octal Converter
Convert text (ascii) values to octal.
Text Art Generator (FIGlet)
Big ASCII banner text.
Text Behind Image Effect
Place text behind the subject of a photo.
Text Diff Checker
Compare two texts and highlight changes.
Text Encoding Converter
Convert between UTF-8, UTF-16, Windows-1252.
Text Encryptor (Password)
Encrypt text with a password (AES-GCM).
Text Post (Quote Card) Maker
Text Post (Quote Card) Maker — create, preview and export locally.
Text Repeater
Repeat text N times with separator.
Text Splitter
Split text by delimiter or length.
Text Statistics Analyzer
Lexical density, avg word length and more.
Text Summarizer (Offline AI)
Summarize text with a small in-browser model.
Text to Handwriting
Render text in handwriting style for assignments.
Text to Hashtags
Turn words into hashtags.
Text to Image
Render text as an image card.
Text to PDF
Convert plain text into a PDF.
Text to Slug
Make URL-friendly slugs.
Text to Speech
Read text aloud and choose voices.
Text to Word (DOCX)
Turn plain text into DOCX.
Text Wrapper
Wrap text at N columns.
Thank-You Card Maker
Thank-You Card Maker — fill a form, preview and download PDF/PNG.
Thanksgiving Turkey Calculator
Turkey size and cooking time per guest.
Thread Splitter (X/Threads)
Thread Splitter (X/Threads) — create, preview and export locally.
Threads Post Resizer
Crop and resize any image to the exact Threads Post size.
TIFF to ICO Converter
Convert TIFF images to ICO format, single or batch, without uploading.
TIFF to JPG Converter
Convert TIFF images to JPG format, single or batch, without uploading.
TIFF to PDF Converter
Convert TIFF images to PDF format, single or batch, without uploading.
TIFF to PNG Converter
Convert TIFF images to PNG format, single or batch, without uploading.
TIFF to WebP Converter
Convert TIFF images to WebP format, single or batch, without uploading.
TikTok Caption Counter
TikTok Caption Counter — create, preview and export locally.
TikTok Video Cover Resizer
Crop and resize any image to the exact TikTok Video Cover size.
Tile Calculator
Tile Calculator with formula shown.
Time Card / Timesheet Calculator
Time Card / Timesheet Calculator — runs entirely offline.
Time Converter (All Units)
Convert between all time units instantly with a live table.
Time Duration Calculator
Time Duration Calculator — runs entirely offline.
Time Tracker
Time Tracker — data stays on your device.
Time Zone Converter
Time Zone Converter — runs entirely offline.
Times Tables Worksheet Generator
Make printable times tables worksheets with answer keys.
Timezone List & Offsets
IANA time zones with current offsets.
Tints & Shades Generator
Tints & Shades Generator — copy HEX, RGB, HSL and CSS variables.
Tip Calculator
Tip Calculator with charts and breakdown.
Tire Size Calculator
Tire Size Calculator with formula shown.
To-Do List (Local)
To-Do List (Local) — data stays on your device.
To-Do List Sheet Maker
Customize and print or download to-do list sheet as PDF.
TOML to JSON
Convert TOML into JSON.
TOML to YAML
Convert TOML into YAML.
TOML Validator
Check TOML for syntax errors and show the exact line.
Tone Generator
Generate sine/square/saw tones at any frequency.
Torus Volume Calculator
Calculate the volume of a torus.
TOTP / 2FA Code Generator
Generate 2FA codes from a secret.
Touch Screen Test
Test multi-touch points.
Tournament Bracket Generator
Tournament Bracket Generator — fair, instant and unlimited.
Traditional IRA Calculator
Project traditional IRA growth and tax savings.
Transparent PNG Maker
Make one color transparent (chroma key).
Trapezoid Area Calculator
Find the area of a trapezoid with steps.
Trapezoid Perimeter Calculator
Find the perimeter of a trapezoid with steps.
Triadic Color Generator
Triadic Color Generator — copy HEX, RGB, HSL and CSS variables.
Triangle Area Calculator
Find the area of a triangle with steps.
Triangle Perimeter Calculator
Find the perimeter of a triangle with steps.
Triangle Solver (SSS/SAS/ASA)
Triangle Solver (SSS/SAS/ASA) with step-by-step working.
Triangular Prism Surface Area Calculator
Calculate the surface area of a triangular prism.
Triangular Prism Volume Calculator
Calculate the volume of a triangular prism.
Trigonometry Calculator
Trigonometry Calculator with step-by-step working.
Truth or Dare Generator
Truth or Dare Generator — fair, instant and unlimited.
TTF to OTF Font Converter
Convert TTF font files to OTF.
TTF to WOFF Font Converter
Convert TTF font files to WOFF.
TTF to WOFF2 Font Converter
Convert TTF font files to WOFF2.
TTML to SRT Subtitle Converter
Convert TTML subtitle files to SRT.
TTML to VTT Subtitle Converter
Convert TTML subtitle files to VTT.
Twitch Banner Resizer
Crop and resize any image to the exact Twitch Banner size.
Twitter Card Generator
Twitter Card Generator with live preview and copy-ready code.
Type Scale Generator
Type Scale Generator with live preview and copy-ready code.
TypeScript Formatter
Beautify and indent TypeScript code with configurable style.
TypeScript to JavaScript
Transpile TS to JS.
Typing Practice
Lessons to learn touch typing.
Typing Speed Test
Test WPM and accuracy.
U
ULID Generator
Sortable unique IDs.
Underline Text Generator
Turn normal text into underline Unicode text you can paste anywhere.
Unicode Character Lookup
Find any Unicode character by name/code.
Unicode Escape Encoder/Decoder
Convert to \uXXXX and back.
Unit Price Comparison
Unit Price Comparison with charts and breakdown.
Universal Color Converter (LAB/LCH/XYZ/HWB)
Universal Color Converter (LAB/LCH/XYZ/HWB) — copy HEX, RGB, HSL and CSS variables.
Unix Timestamp Converter
Convert epoch to date and back.
Unlock PDF
Remove a known password from a PDF.
UPC-A Barcode Generator
UPC-A Barcode Generator — download PNG/SVG, no limits.
UPC-E Barcode Generator
UPC-E Barcode Generator — download PNG/SVG, no limits.
Upside Down Text Generator
Turn normal text into upside down Unicode text you can paste anywhere.
URL Decoder
Decode percent-encoded URLs.
URL Encoder
Percent-encode text for URLs.
URL Parser
Break URL into protocol, host, path, params.
URL QR Code Generator
URL QR Code Generator — download PNG/SVG, no limits.
URL Tracking Parameter Remover
Remove utm/fbclid/gclid from links.
User Agent Parser
Parse browser/OS/device from UA string.
Username Generator
Username Generator — fair, instant and unlimited.
Utah Sales Tax Calculator
Add or remove Utah sales tax (state + local rate) from any price.
UTF-8 Byte Viewer
Show UTF-8 bytes of text.
UUID v1 Generator
Timestamp-based UUID v1.
UUID v7 Generator
Time-ordered UUID v7.
UUID Validator & Decoder
Check version and decode timestamp.
V
VA Loan Calculator
VA loan payment incl. funding fee.
Variance Calculator
Variance Calculator for pasted data.
VAT Calculator (Add/Remove)
VAT Calculator (Add/Remove) with charts and breakdown.
vCard (VCF) Generator
vCard (VCF) Generator — fill a form, preview and download PDF/PNG.
vCard QR Code Generator
vCard QR Code Generator — download PNG/SVG, no limits.
vCard to CSV
Convert vCard into CSV.
Vector Calculator
Vector Calculator with step-by-step working.
Vermont Sales Tax Calculator
Add or remove Vermont sales tax (state + local rate) from any price.
Vibration Test
Test phone vibration patterns.
Video Aspect Ratio Changer
Convert to 9:16, 1:1, 16:9 with padding or blur.
Video Bitrate Calculator
Calculate file size from bitrate and duration.
Video Collage
Arrange multiple videos in a grid.
Video Compressor
Reduce video file size with CRF control.
Video Cropper
Crop video frame area.
Video Cutter (Multiple Clips)
Cut several segments out of a video.
Video Fade In/Out
Add fade effects to start and end.
Video Filters
Apply grayscale, sepia, contrast to video.
Video Flipper
Mirror videos horizontally/vertically.
Video Frame Extractor
Grab frames as JPG/PNG.
Video Merger
Join multiple clips into one video.
Video Metadata Remover
Strip location/device metadata from videos.
Video Metadata Viewer
See codec, bitrate, resolution and duration.
Video Player (Any Format)
Play local videos with speed and loop controls.
Video Resizer
Change video resolution (1080p, 720p, 480p).
Video Rotator
Rotate videos 90/180 degrees.
Video Schema Generator
Video Schema Generator — no API, works on pasted data.
Video Script Word-to-Time Estimator
Video Script Word-to-Time Estimator — create, preview and export locally.
Video Speed Changer
Speed up or slow down video.
Video Splitter (Equal Parts)
Split long videos into equal chunks (e.g., for Status).
Video Stabilizer (Basic)
Reduce shaky footage.
Video Thumbnail Grabber
Pick the perfect frame as thumbnail.
Video to GIF
Make high-quality GIFs from clips.
Video to Reels/Shorts Format
Make vertical 9:16 videos with blurred background.
Video Trimmer
Cut the start/end of a video.
Video Volume Booster
Increase video loudness.
Vigenère Cipher
Encrypt/decrypt with a keyword.
Virginia Sales Tax Calculator
Add or remove Virginia sales tax (state + local rate) from any price.
Vocabulary List Maker
Vocabulary List Maker — printable or interactive, no login.
Vocal Remover (Karaoke)
Reduce center-panned vocals.
Voice Changer
Apply robot, chipmunk, deep voice effects.
Voice Recorder
Record voice and download MP3/WAV.
Voltage Divider Calculator
Voltage Divider Calculator with formula shown.
Volume Converter (All Units)
Convert between all volume units instantly with a live table.
VTT to SUB Subtitle Converter
Convert VTT subtitle files to SUB.
VTT to TTML Subtitle Converter
Convert VTT subtitle files to TTML.
VW to PX
CSS Units converter: VW to PX with formula and conversion table.
W
W-4 Withholding Estimator
Check if your W-4 withholding is on track for the year.
Waist-to-Hip Ratio Calculator
Waist-to-Hip Ratio Calculator with clear results and explanation.
Washington Sales Tax Calculator
Add or remove Washington sales tax (state + local rate) from any price.
Water Intake Calculator
Water Intake Calculator with clear results and explanation.
Water Tank Capacity Calculator
Water Tank Capacity Calculator with formula shown.
WAV to AAC Converter
Convert WAV audio files to AAC with bitrate options.
WAV to M4A Converter
Convert WAV audio files to M4A with bitrate options.
WAV to MP3 Converter
Convert WAV audio files to MP3 with bitrate options.
WAV to OGG Converter
Convert WAV audio files to OGG with bitrate options.
Wavelength Frequency Calculator
Wavelength Frequency Calculator with formula shown.
Web App Manifest Generator
Web App Manifest Generator with live preview and copy-ready code.
Webcam Photo Capture
Take photos with your webcam.
Webcam Recorder
Record webcam video.
Webcam Test
Check webcam and resolution.
WebGL Report
GPU and WebGL capabilities.
Webhook Payload Formatter
Pretty-print and inspect webhook JSON.
WebM to AVI Converter
Convert WebM video to AVI entirely in the browser.
WebM to GIF Converter
Convert WebM video to GIF entirely in the browser.
WebM to MKV Converter
Convert WebM video to MKV entirely in the browser.
WebM to MOV Converter
Convert WebM video to MOV entirely in the browser.
WebM to MP3 (Extract Audio)
Extract the audio track from WebM as MP3.
WebM to MP4 Converter
Convert WebM video to MP4 entirely in the browser.
WebM to WAV (Extract Audio)
Extract the audio track from WebM as WAV.
WebP to AVIF Converter
Convert WebP images to AVIF format, single or batch, without uploading.
WebP to BMP Converter
Convert WebP images to BMP format, single or batch, without uploading.
WebP to GIF Converter
Convert WebP images to GIF format, single or batch, without uploading.
WebP to ICO Converter
Convert WebP images to ICO format, single or batch, without uploading.
WebP to JPG Converter
Convert WebP images to JPG format, single or batch, without uploading.
WebP to PDF Converter
Convert WebP images to PDF format, single or batch, without uploading.
WebP to PNG Converter
Convert WebP images to PNG format, single or batch, without uploading.
WebP to TIFF Converter
Convert WebP images to TIFF format, single or batch, without uploading.
WebRTC Leak Test
Check local IP exposure via WebRTC.
Wedding Invitation Maker
Wedding Invitation Maker — lightweight, fun, and shareable.
Week Number Calculator
Week Number Calculator — runs entirely offline.
Weekly Planner Maker
Customize and print or download weekly planner as PDF.
Weekly Review Template
Weekly Review Template — data stays on your device.
Weight Converter (All Units)
Convert between all weight units instantly with a live table.
Weighted Average Calculator
Weighted Average Calculator with step-by-step working.
Weighted GPA Calculator (Honors/AP)
High-school GPA with honors and AP weighting.
West Virginia Sales Tax Calculator
Add or remove West Virginia sales tax (state + local rate) from any price.
What Is My Screen Resolution
Show screen and viewport size.
WhatsApp Chat Widget Generator
WhatsApp Chat Widget Generator with live preview and copy-ready code.
WhatsApp Click-to-Chat Link Generator
WhatsApp Click-to-Chat Link Generator — create, preview and export locally.
WhatsApp DP Resizer
Crop and resize any image to the exact WhatsApp DP size.
WhatsApp Message Formatter (Bold/Italic)
WhatsApp Message Formatter (Bold/Italic) — create, preview and export locally.
WhatsApp QR Code Generator
WhatsApp QR Code Generator — download PNG/SVG, no limits.
WhatsApp Status Resizer
Crop and resize any image to the exact WhatsApp Status size.
White / Pink / Brown Noise Generator
Play focus and sleep noise.
Whitespace Visualizer
Show tabs, spaces and line endings.
Wholesale Price Calculator
Wholesale Price Calculator — fill a form, preview and download PDF/PNG.
Wide (Vaporwave) Text Generator
Turn normal text into wide (vaporwave) Unicode text you can paste anywhere.
Wire Gauge Calculator
Wire Gauge Calculator with formula shown.
Wisconsin Sales Tax Calculator
Add or remove Wisconsin sales tax (state + local rate) from any price.
WMA to AAC Converter
Convert WMA audio files to AAC with bitrate options.
WMA to M4A Converter
Convert WMA audio files to M4A with bitrate options.
WMA to MP3 Converter
Convert WMA audio files to MP3 with bitrate options.
WMA to OGG Converter
Convert WMA audio files to OGG with bitrate options.
WMA to WAV Converter
Convert WMA audio files to WAV with bitrate options.
WMV to AVI Converter
Convert WMV video to AVI entirely in the browser.
WMV to GIF Converter
Convert WMV video to GIF entirely in the browser.
WMV to MKV Converter
Convert WMV video to MKV entirely in the browser.
WMV to MOV Converter
Convert WMV video to MOV entirely in the browser.
WMV to MP4 Converter
Convert WMV video to MP4 entirely in the browser.
WMV to WebM Converter
Convert WMV video to WebM entirely in the browser.
WOFF to OTF Font Converter
Convert WOFF font files to OTF.
WOFF to TTF Font Converter
Convert WOFF font files to TTF.
WOFF to WOFF2 Font Converter
Convert WOFF font files to WOFF2.
WOFF2 to OTF Font Converter
Convert WOFF2 font files to OTF.
WOFF2 to TTF Font Converter
Convert WOFF2 font files to TTF.
WOFF2 to WOFF Font Converter
Convert WOFF2 font files to WOFF.
Women's Clothing Size Converter
US, UK, EU and intl sizes.
Word (DOCX) to HTML
Convert DOCX into clean HTML.
Word (DOCX) to Markdown
Convert DOCX into Markdown.
Word (DOCX) to Text
Extract plain text from DOCX.
Word Cloud Generator
Create word clouds from text.
Word Count & Content Length Checker
Word Count & Content Length Checker — no API, works on pasted data.
Word Frequency Counter
Rank words by frequency.
Word Problem Worksheet Generator
Make printable word problem worksheets with answer keys.
Word Scramble Worksheet Maker
Word Scramble Worksheet Maker — printable or interactive, no login.
Word Search Maker
Word Search Maker — printable or interactive, no login.
Word to PDF
Convert DOCX to PDF in the browser.
Word Unscrambler
Unscramble letters into words.
Work & Power Calculator
Work & Power Calculator with formula shown.
Workout Interval (HIIT) Timer
Workout Interval (HIIT) Timer with clear results and explanation.
World Clock
World Clock — runs entirely offline.
Would You Rather Generator
Would You Rather Generator — fair, instant and unlimited.
Wrangler.toml Generator
Generate Cloudflare Workers config.
Wyoming Sales Tax Calculator
Add or remove Wyoming sales tax (state + local rate) from any price.
X
X (Twitter) Character Counter
X (Twitter) Character Counter — create, preview and export locally.
X (Twitter) Header Resizer
Crop and resize any image to the exact X (Twitter) Header size.
X (Twitter) Post Resizer
Crop and resize any image to the exact X (Twitter) Post size.
XML Formatter
Beautify and indent XML code with configurable style.
XML Minifier
Minify XML to reduce file size.
XML Sitemap Validator (Paste)
XML Sitemap Validator (Paste) — no API, works on pasted data.
XML to CSV
Convert XML data into CSV format, with preview and download.
XML to Excel (XLSX)
Convert XML data into Excel (XLSX) format, with preview and download.
XML to HTML Table
Convert XML data into HTML Table format, with preview and download.
XML to JSON
Convert XML data into JSON format, with preview and download.
XML to Markdown Table
Convert XML data into Markdown Table format, with preview and download.
XML to SQL INSERT
Convert XML data into SQL INSERT format, with preview and download.
XML to YAML
Convert XML data into YAML format, with preview and download.
XML Validator
Check XML for syntax errors and show the exact line.
XOR Cipher
XOR text with a key.
xxHash64 Hash Generator
Generate a xxHash64 hash from text instantly.
Y
YAML Formatter
Beautify and indent YAML code with configurable style.
YAML to CSV
Convert YAML data into CSV format, with preview and download.
YAML to Excel (XLSX)
Convert YAML data into Excel (XLSX) format, with preview and download.
YAML to HTML Table
Convert YAML data into HTML Table format, with preview and download.
YAML to JSON
Convert YAML data into JSON format, with preview and download.
YAML to Markdown Table
Convert YAML data into Markdown Table format, with preview and download.
YAML to SQL INSERT
Convert YAML data into SQL INSERT format, with preview and download.
YAML to TOML
Convert YAML into TOML.
YAML to XML
Convert YAML data into XML format, with preview and download.
YAML Validator
Check YAML for syntax errors and show the exact line.
Year to Day
Time converter: Year to Day with formula and conversion table.
Yearly Calendar Maker
Customize and print or download yearly calendar as PDF.
YouTube Channel Banner Resizer
Crop and resize any image to the exact YouTube Channel Banner size.
YouTube Embed Code Generator
YouTube Embed Code Generator — create, preview and export locally.
YouTube Profile Picture Resizer
Crop and resize any image to the exact YouTube Profile Picture size.
YouTube Tag Generator (Keyword Permutations)
YouTube Tag Generator (Keyword Permutations) — create, preview and export locally.
YouTube Thumbnail Maker
YouTube Thumbnail Maker — create, preview and export locally.
YouTube Thumbnail Resizer
Crop and resize any image to the exact YouTube Thumbnail size.
YouTube Timestamp / Chapters Generator
YouTube Timestamp / Chapters Generator — create, preview and export locally.
YouTube Title & Description Length Checker
YouTube Title & Description Length Checker — create, preview and export locally.
Z
Z-Score Calculator
Z-Score Calculator for pasted data.
Zalgo (Glitch) Text Generator
Turn normal text into zalgo (glitch) Unicode text you can paste anywhere.
Zero-Width Character Detector
Find hidden characters in text.
ZIP File Viewer
List contents of a ZIP without extracting.
Zodiac Sign Finder
Zodiac Sign Finder — runs entirely offline.