Developer Swiss Army Knife
Free Developer Tools
Essential utilities for developers. Fast, free, and runs entirely in your browser.
JWT Decoder
Base64
UUID Generator
Cron Builder
Epoch Converter
Hash Generator
Regex Tester
URL Tools
Base Converter
Password Gen
HTML Entities
Base Converter
Bin / oct / dec / hex
Binary (base 2)
0b11111111
Octal (base 8)
0o377
Decimal (base 10)
255
Hexadecimal (base 16)
0xFF
All processing happens in your browser. Your data never leaves your device.