Developer Utilities
Free Developer Tools
Browser-based utilities for JSON formatting, JWT decoding, regex testing, and more. All processing happens locally - your data never leaves your browser.
Privacy First
All tools process data entirely in your browser. We don't store, log, or transmit your data to any servers. Your information stays private.
Available Tools
JSON Formatter & Validator
Format, validate, and beautify JSON data with syntax highlighting and error detection.
Data ProcessingOpen tool →
JWT Decoder
Decode and inspect JSON Web Tokens without sending data to external servers.
SecurityOpen tool →
Regex Tester
Test regular expressions with real-time matching and group extraction.
DevelopmentOpen tool →
Base64 Encoder/Decoder
Encode and decode Base64 strings with support for UTF-8 characters.
EncodingOpen tool →
URL Encoder/Decoder
Encode and decode URL strings for safe web transmission.
EncodingOpen tool →
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.
TimeOpen tool →
Security Best Practices
- •Never paste production credentials or secrets into any online tool
- •Use these tools for development and testing purposes only
- •Clear your browser data after using sensitive tools
- •These tools run entirely in your browser for maximum privacy
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