Developer tools, simplified.
A fast, offline-first collection of utilities for developers. Format JSON, decode Base64, generate UUIDs, and more directly in your browser.
Lightning Fast
Zero bloat. Built with Next.js and Web APIs for instant load times.
Offline First
Works without internet. Installable as a PWA on your device.
Privacy Focused
All processing happens in your browser. No data leaves your device.
Popular Utilities
Most used tools by the community.
JSON Formatter
Format, validate, minifty, and fix JSON data.
Data
Offline
JWT Decoder
Decode JSON Web Tokens to view header and payload.
Data
Offline
Base64 Encoder/Decoder
Encode and decode text to Base64 format.
Encoding
Offline
Carbon
Create beautiful images of your source code.
Misc
RegExr
Advanced regex tester with community patterns.
Text