Stop pasting sensitive JSON, JWTs, and API keys into random websites with unknown backends. ZeroServer is a suite of developer utilities built with a strict "Zero Server" architecture. Everything happens 100% locally in your browser’s DOM using native APIs. No data ever leaves your device. ✅ 100% Private: No backend, no tracking, no logs. ✅ Developer First: Built with Next.js 15 and Tailwind v4. ✅ Essential Tools: JSON/XML/JWT... Built for developers who value privacy as much as productivity.