Privacy-focused developer utilities. All processing happens client-side.
Encode and decode Base64 strings
Encode and decode URL strings
Generate random UUIDs
Generate secure random passwords
Generate MD5, SHA-1, SHA-256 hashes
Format and validate JSON
Beautify and minify JavaScript code
Beautify and minify CSS code
Convert between timestamps and dates
Pick colors and convert between formats
Decode and inspect JWT tokens
Compare two text blocks side by side
Compare two JSON documents semantically
Test regular expressions with live matching
Build and explain cron expressions