Shelf of ToolsFree online tools that run in your browser
46 free tools for text, code, numbers, dates, and images. No sign-up, no uploads.
Text
- Word counterCount words, characters, sentences, and paragraphs, and estimate reading time.
- Case converterConvert text to uppercase, lowercase, title case, sentence case, camelCase, snake_case, and more.
- Lorem ipsum generatorGenerate placeholder text by paragraphs, sentences, or words.
- Sort and deduplicate linesSort lines, remove duplicate or empty lines, trim whitespace, shuffle, and number lines.
- Find and replaceFind and replace text, with optional regular expressions, case sensitivity, and whole-word matching.
- Text to speechRead text aloud with your device’s built-in voices, with adjustable speed and pitch.
- Diff checkerCompare two texts and highlight the lines or words that were added, removed, or changed.
- Fancy text generatorTurn text into bold, italic, script, bubble, and other Unicode styles you can paste anywhere.
Developer
- JSON formatter and validatorFormat, minify, validate, and sort JSON.
- Base64 encoder and decoderEncode text to Base64 or decode Base64 to text, with full UTF-8 and URL-safe support.
- URL encoder and decoderPercent-encode or decode URLs and query string values.
- Hash generatorGenerate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes of text or files.
- JWT decoderDecode a JSON Web Token to read its header, payload, and expiry.
- Regex testerTest JavaScript regular expressions with live match highlighting and capture groups.
- HTML entity encoder and decoderEscape special characters as HTML entities or decode entities back to text.
- Color contrast checkerCheck the contrast ratio between text and background colors against WCAG AA and AAA.
Converters
- Unit converterConvert length, weight, temperature, area, volume, speed, data size, and time units.
- Number base converterConvert numbers between binary, octal, decimal, hexadecimal, and any base from 2 to 36.
- Color converterConvert colors between HEX, RGB, and HSL, and get tints and shades.
- Roman numeral converterConvert numbers to Roman numerals and Roman numerals to numbers.
Calculators
- Percentage calculatorFind a percentage of a number, what percent one number is of another, and percentage change.
- BMI calculatorCalculate body mass index in metric or imperial units.
- Loan calculatorCalculate monthly payments, total interest, and a yearly amortization schedule.
- Tip calculatorCalculate the tip and split the bill between people.
- Compound interest calculatorSee how savings grow with compound interest and monthly contributions.
Time and date
- Age calculatorCalculate exact age in years, months, and days, and the days until the next birthday.
- Date difference calculatorCount the days, weeks, and business days between two dates, or add days to a date.
- Online stopwatchA stopwatch with lap times. Press Space to start and stop.
- Countdown timerSet a countdown timer that beeps when time is up.
- Unix timestamp converterConvert Unix timestamps to dates and dates to timestamps.
- Time zone converterConvert a time between time zones and compare cities side by side, with daylight saving time handled.
Generators
- Password generatorGenerate strong random passwords with your choice of length and characters.
- UUID generatorGenerate random version 4 UUIDs, one or in bulk.
- Random number generatorPick random numbers in a range, with or without repeats.
- Dice roller and coin flipRoll any number of dice or flip a coin.
- QR code generatorCreate QR codes for links and text, and download them as PNG or SVG.
- Spin the wheelEnter names or options and spin a wheel to pick one at random.
- White noise generatorPlay white, pink, or brown noise to help you focus or sleep, with a sleep timer.
Device and skill tests
- Typing speed testMeasure your typing speed in words per minute and your accuracy.
- CPS testCount how many times you can click per second.
- Reaction time testTest how fast you react: click as soon as the box turns green.
- Microphone testCheck that your microphone works, see the input level, and record a short clip to play back.
- Webcam testCheck that your camera works and see its resolution and frame rate.
- Keyboard testerPress keys to check that each one on your keyboard works.
Image
Unit conversions
- Centimeters to inches
- Inches to centimeters
- Millimeters to inches
- Inches to millimeters
- Meters to feet
- Feet to meters
- Kilometers to miles
- Miles to kilometers
- Feet to centimeters
- Centimeters to feet
- Inches to feet
- Feet to inches
- Meters to yards
- Yards to meters
- Kilograms to pounds
- Pounds to kilograms
- Grams to ounces
- Ounces to grams
- Kilograms to stone
- Stone to kilograms
- Pounds to ounces
- Ounces to pounds
- Grams to pounds
- Pounds to grams
- Celsius to Fahrenheit
- Fahrenheit to Celsius
- Celsius to Kelvin
- Kelvin to Celsius
- Square meters to square feet
- Square feet to square meters
- Acres to hectares
- Hectares to acres
- Milliliters to fluid ounces
- Fluid ounces to milliliters
- Liters to gallons
- Gallons to liters
- Cups to milliliters
- Milliliters to cups
- Tablespoons to milliliters
- Teaspoons to milliliters
- Kilometers per hour to miles per hour
- Miles per hour to kilometers per hour
- Megabytes to gigabytes
- Gigabytes to megabytes
- Gigabytes to terabytes
- Terabytes to gigabytes
- Minutes to hours
- Hours to minutes
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