Free Online Developer Tools

Translate Gujarati/Hindi notes into English and turn them into a clean, ready-to-share prompt

Summarize long text into its most important sentences, right in your browser

Convert a Base64 string back to a viewable image

Convert any image file to a Base64 data URI

Encode or decode plain text using Base64

Percent-encode or decode URL components

Encode or decode HTML special characters

Decode and inspect JSON Web Tokens

Beautify, minify and validate JSON

Format and prettify XML documents

Format SQL queries for readability

Beautify or minify CSS stylesheets

Format and indent HTML markup

Write Markdown and see the rendered HTML preview

Generate strong, secure passwords

Generate random lorem ipsum or custom text

Generate RFC-4122 v4 UUIDs instantly

Generate SHA-1, SHA-256, SHA-512 hashes

Generate QR codes from any text or URL

Convert text to URL-friendly slugs

Pick colors and convert HEX, RGB, HSL, HSV

Convert images between PNG, JPEG, WebP formats

Compress images without losing quality

Convert between binary, octal, decimal, hex

Convert Unix timestamps to readable dates

Convert CSV to JSON and JSON to CSV

Convert length, weight, temperature and more

Test regular expressions with live matching

Validate and lint JSON documents

Validate JSON against a JSON Schema definition

Parse and explain cron schedule expressions

Count words, characters, sentences and paragraphs

Convert between UPPER, lower, Title, camelCase etc.

Compare two texts and highlight the differences

Trim, reverse, sort, dedupe and more

Find and replace text with optional regex support

Convert typed text to speech audio

Convert your voice to text in real time

Generate CSS gradient backgrounds visually

Generate CSS box-shadow values visually

Generate harmonious color palettes

Preview and combine Google Font pairings

Calculate aspect ratios for images and videos

Crop and resize images directly in the browser

A precise stopwatch and countdown timer

25/5 pomodoro work/break timer

A quick auto-saving in-browser notepad

View screen resolution and device details

A fully-featured scientific calculator

Calculate percentages quickly and easily

Calculate tips and split bills easily

Calculate your Body Mass Index

Calculate exact age from date of birth

Flip a virtual coin — heads or tails?

Roll virtual dice of any number of sides

Generate random numbers in any range

Simulate how designs look with color blindness

Translate text to Morse code and back