Free Developer Tools Online
JSON formatter, Base64, color picker, QR generator, password generator, code minifier and image compressor — all free, no sign-up.
JSON Formatter
Format, validate & syntax-highlight JSON
Base64 Encoder/Decoder
Encode & decode Base64 strings and files
Color Picker
HEX, RGB, HSL & CMYK converter
QR Code Generator
Create QR codes for URLs, WiFi and more
Password Generator
Strong, secure & random passwords
Code Minifier
Minify HTML, CSS and JavaScript
Image Compressor
Compress JPG, PNG and WebP images