Developer Tools
Free, fast, and runs in your browser. No data sent to servers.
JSON Formatter
Format, validate and minify JSON
Base64 Encode/Decode
Encode or decode Base64 strings
URL Encode/Decode
Encode or decode URL components
Regex Tester
Test and debug regular expressions
Cron Expression
Generate and explain cron expressions
JWT Decoder
Decode and inspect JWT tokens
Hash Generator
Generate SHA-1, SHA-256, SHA-512 hashes
Color Converter
Convert between HEX, RGB, HSL
Diff Checker
Compare two blocks of text
Markdown Preview
Preview Markdown in real time