Developer Tools
JSON Formatter
Format, validate, and beautify JSON instantly in your browser.
All Tools
Explore our growing collection of free browser-based developer utilities.
Encoding
Base64 Encoder
Encode and decode Base64 strings quickly with zero setup.
Developer Tools
UUID Generator
Generate single or multiple UUID v4 values instantly.
Date & Time Tools
Timestamp Converter
Convert Unix timestamps to human-readable dates and back.
Security
JWT Decoder
Decode JWT header and payload without signature verification.