Developer Utility Hub
Essential utilities for developers — JSON, JWT, Base64, Regex, timestamps, and more. All tools run locally in your browser. No data is uploaded.
Available tools
- Formatter
JSON Formatter
Format, minify, and validate JSON with syntax highlighting.
Open tool → - Decoder
JWT Decoder
Decode JWT header and payload with pretty-printed JSON.
Open tool → - Encoder
Base64
Encode and decode text to and from Base64.
Open tool → - Tester
Regex Tester
Test and debug regular expressions with live matches.
Open tool → - Converter
Timestamp Converter
Convert Unix timestamps and human-readable dates.
Open tool → - Formatter
.env Formatter
Parse and structure environment variable files.
Open tool →