JSON formatter
Readable, validated and neatly arranged.
A little less busywork
Developer tools
Useful tools, right when you need them. All free. All in your browser.
Pick a tool. Make it happen.
28 toolsAll toolsImageCreator studioCalculatorsStudy & IELTSTextDeveloperPDFEverydaySEO & webHealth & wellnessPregnancy & periodsParenting & familySports & trainingFun & photo boothCareer & businessNepalHome & solarTravel & eventsAudio & animationFood & cookingScience & electronicsGames & practiceSecurity & privacyEducation & worksheetsMoney & shopping
Base64 encoder / decoder
Encode and decode UTF-8 text.
URL encoder / decoder
Keep special characters URL-ready.
Password generator
Strong random passwords, made locally.
UUID generator
Fresh version 4 identifiers in a click.
SHA hash generator
A digital fingerprint for your text.
Unix timestamp converter
Make sense of seconds since 1970.
Color converter
HEX, RGB and HSL, all in sync.
UTM link builder
Keep campaign links clear and consistent.
CSS gradient maker
A smooth new direction for your next design.
Glass effect generator
Design a frosted-glass card. Copy the CSS.
Color contrast checker
Check readable color combinations against WCAG.
Markdown to HTML
Write Markdown. Preview and export clean HTML.
JSON to CSV
Turn a list of objects into a tidy spreadsheet.
Number base converter
Binary, octal, decimal and hexadecimal.
URL slug generator
Make a clean, readable page slug.
HTML entity encoder
Escape or decode HTML text characters.
Regular expression tester
Test a pattern with matched text and groups.
JWT decoder
Inspect token headers and payloads locally.
CSV to JSON
Convert a table into structured records.
XML formatter & validator
Check XML and make nesting easier to read.
JSON comparison
Compare structured values by their paths.
Cron expression builder
Build common five-field UTC schedules.
CSS box-shadow maker
Preview and copy a custom shadow.
CSS corner radius maker
Shape each corner and copy the CSS.
Fluid font-size generator
Build a responsive CSS clamp expression.
Color harmony palette
Generate coordinated colors from one starting color.
Linux chmod builder
Turn permission choices into octal modes.