Developer Tools
JSON formatters, encoders, decoders, validators for developers
11 tools available
JSON Formatter & Validator
Format, validate, minify, and beautify JSON instantly.
Base64 Encoder / Decoder
Encode and decode Base64 strings online. Supports text and file encoding.
JWT Decoder
Decode JWT tokens instantly. View header, payload, and signature without a library.
UUID Generator
Generate UUIDs/GUIDs v1, v4, v5 online. Bulk UUID generation supported.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text online.
URL Encoder / Decoder
Encode and decode URLs and query strings. Handle special characters.
Regex Tester
Test and debug regular expressions online with real-time highlighting.
Cron Expression Generator
Build cron expressions visually and get human-readable schedules.
HTML Encoder / Decoder
Encode and decode HTML entities. Escape special HTML characters.
Color Converter
Convert colors between HEX, RGB, HSL, CMYK formats instantly.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.