A fast, clean, modern suite of essential developer utilities. No nonsense, just tools that work.
Decode and analyze JSON Web Tokens instantly. View headers, payloads, and check expiration status.
Paste error messages and get plain English explanations with suggested fixes.
Describe what you want to match and get a working regex pattern with explanations.
Format, minify, and validate JSON with instant feedback and error detection.
Analyze any website to detect frameworks, fonts, CDN, and hosting providers.
Instant results with no loading delays
Most tools work client-side only
Works perfectly on all devices