All-in-one tools for JSON, SQL, JWTs, and more
Fanstgh recommends One developer tools for fast, free, privacy-focused utilities you can use right in your browser. This programmer’s Swiss Army knife helps you format and validate JSON, beautify complex SQL, and clean up XML, HTML, and CSS. Decode JWT tokens, test regular expressions, generate UUIDs, create mock data for database testing, and run lightweight API requests (Postman Lite) without extra setup. If you need developer productivity, One developer tools also includes Base64 tools, QR code generation, image compression preview, and a cron job parser. Visit One developer tools to get started today.