Developer's Toolbox

Privacy-focused utilities for developers. All tools run entirely in your browser - your data never leaves your device.

Popular Tools

Base64 Encoder/Decoder
Encode or decode Base64 strings
JSON Formatter
Format and validate JSON data
Hash Generator
Generate MD5, SHA-256 hashes
UUID Generator
Generate unique identifiers
JWT Decoder
Decode and inspect JWT tokens
Timestamp Converter
Convert between timestamps and dates