All Tools

14 free developer tools — runs in your browser

JSON Tools

JSON Formatter
Format, validate & beautify JSON

Encoding Tools

Base64 Tools
Full Base64 developer toolkit
URL Encoder/Decoder
URL encode, decode & query parse
Hash Generator
MD5 & SHA256 calculator
HTML Encoder
HTML entity encode/decode

Developer Utilities

Timestamp Converter
Full Unix timestamp toolkit
UUID Generator
UUID v4 generate & export
QR Code Generator
QR maker for URL & WiFi
Password Generator
Strong random password online
Regex Tester
Test & debug regular expressions
Text Diff
Line-by-line text compare
Cron Parser
Decode cron expressions
Color Converter
HEX/RGB/HSL converter

API Tools

JWT Decoder
Decode JSON Web Tokens