All tools
Case ConverterUPPER, lower, Title, Sentence, camelCase, snake_case and more.
Word & Character CounterWords, characters, sentences, reading time and keyword density.
Remove Line BreaksJoin lines into one paragraph or keep paragraph breaks.
Remove Duplicate LinesDelete repeated lines, keep the first occurrence and order.
Sort LinesSort A–Z, Z–A, naturally, by length, numerically or shuffle.
Find & ReplaceReplace text with match case, whole words or regex.
Text Diff CheckerCompare two texts and highlight what changed.
Reverse TextReverse letters, words, lines, or each word.
Lorem Ipsum GeneratorPlaceholder paragraphs, sentences or words.
Small Text & Fancy FontsTiny text, bold, script, bubble and upside-down fonts to copy.
Strikethrough & Underline TextS̶t̶r̶i̶k̶e̶, u̲n̲d̲e̲r̲l̲i̲n̲e̲ and other combining styles.
Slug GeneratorTurn titles into clean, SEO-friendly URL slugs.
JSON Formatter & ValidatorPretty-print, minify and validate JSON with error lines.
JSON ↔ CSV ConverterConvert JSON arrays to CSV and CSV back to JSON.
Base64 Encode / DecodeUTF-8 safe Base64 and Base64URL for text.
URL Encode / DecodePercent-encode text or decode URLs; inspect query strings.
HTML Entity Encode / DecodeEscape < > & " ' or decode entities like ©.
UUID GeneratorRandom v4 or time-ordered v7 UUIDs, in bulk.
Hash GeneratorMD5, SHA-1, SHA-256, SHA-384 and SHA-512 of any text.
JWT DecoderDecode JWT header and payload; see expiry times.
Regex TesterTest JavaScript regular expressions with live highlighting.
Unix Timestamp ConverterEpoch seconds/milliseconds ↔ human dates in any zone.
Color Picker & ConverterHEX ↔ RGB ↔ HSL ↔ CMYK, with contrast checker.
HTML MinifierStrip comments and whitespace from HTML.
CSS MinifierCompress CSS: comments, whitespace, zero units, short hex.
JavaScript MinifierMinify and mangle JS with Terser, right in the browser.
Markdown to HTMLLive Markdown preview and clean HTML output.
Cron Expression ExplainerCron schedule in plain English + next run times.
QR Code GeneratorURL, text, Wi-Fi, vCard, email, phone. Colors, logo, PNG/SVG.
Password GeneratorStrong random passwords with a strength meter.
Passphrase GeneratorDiceware passphrases from the EFF long wordlist.
Barcode GeneratorCode 128, EAN-13 and UPC-A barcodes as PNG or SVG.
Username GeneratorCatchy usernames for games, socials and accounts.
Random Number GeneratorRandom integers or decimals in any range, unique or not.
Wheel SpinnerSpin a custom wheel of names, prizes or choices.
Random Name PickerDraw one or more names from a list, fairly.
Coin FlipHeads or tails, with a running tally.
Dice RollerRoll d4–d100, multiple dice, with modifiers like 2d6+3.
Random Team GeneratorSplit a list of people into balanced random teams.
Yes or No WheelAsk a question, spin for a yes, no (or maybe).
Length Convertercm, m, km, inches, feet, yards, miles and more.
Weight Converterkg, lb, oz, g, stone, tons and more.
Temperature Converter°F, °C, Kelvin and Rankine.
Volume ConvertermL, liters, cups, fl oz, gallons (US & UK).
Area Convertersq ft, m², acres, hectares, sq miles.
Speed Convertermph, km/h, m/s, knots, Mach.
Time ConverterSeconds, minutes, hours, days, weeks, years.
Data Size ConverterKB, MB, GB, TB and KiB, MiB, GiB (binary).
Cooking Measurement ConverterCups ↔ grams by ingredient, tbsp, tsp, mL, oz.
Fuel Economy Convertermpg (US/UK) ↔ L/100 km ↔ km/L.
Pressure Converterpsi, bar, kPa, atm, mmHg, inHg.
Energy ConverterJ, kJ, cal, kcal, kWh, BTU, therms.
Quick conversions
Centimeters to InchesInches to CentimetersFeet to MetersMeters to FeetKilometers to MilesMiles to KilometersMillimeters to InchesInches to MillimetersFeet to InchesYards to MetersMeters to YardsKilograms to PoundsPounds to KilogramsGrams to OuncesOunces to GramsStones to KilogramsKilograms to StonesUS tons to PoundsFahrenheit to CelsiusCelsius to FahrenheitCelsius to KelvinKelvin to CelsiusMilliliters to Fluid ouncesFluid ounces to MillilitersLiters to GallonsGallons to LitersCups to MillilitersMilliliters to CupsTablespoons to TeaspoonsTeaspoons to TablespoonsLiters to CupsQuarts to LitersPints to MillilitersCubic foots to LitersSquare feet to Square metersSquare meters to Square feetAcres to HectaresHectares to AcresAcres to Square feetMiles per hour to Kilometers per hourKilometers per hour to Miles per hourKnots to Miles per hourMeters per second to Kilometers per hourHours to MinutesMinutes to HoursDays to WeeksSeconds to MinutesMegabytes to GigabytesGigabytes to MegabytesGigabytes to TerabytesGigabytes to GibibytesMegabits to MegabytesMiles per gallon (US) to Liters per 100 kmLiters per 100 km to Miles per gallon (US)PSI to BarsBars to PSIKilopascals to PSIKilocalories to KilojoulesKilojoules to KilocaloriesKilowatt-hours to British thermal unitsCups to Grams (All-purpose flour)Cups to Grams (Granulated sugar)Grams to Cups (All-purpose flour)Cups to Grams (Butter)