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onlinedev.tools is a privacy‑first collection of developer utilities that run entirely in your browser. Format JSON, decode JWTs, generate UUIDs, test regex, convert colors, and more — all without sending data to a server.
We built it to be fast, simple, and safe, so you can use it for quick tasks without worrying about privacy or setup. It’s free, no sign‑ups, and optimized for developers who just want tools that work.

onlinedev.tools, Privacy first dev toolsFree, fast developer tools — no sign‑ups, no tracking.
Ashraf Nabihleft a comment
Hey Product Hunt! 👋 I’m Ashraf, maker of onlinedev.tools — a privacy‑first suite of developer utilities that run 100% in the browser. Why we built this: We kept needing quick tools (JSON formatter, JWT decoder, UUID generator, regex tester, etc.) but didn’t want to upload sensitive data to random sites. So we built a fast, clean, and private alternative. Highlights: 🔒 Runs entirely in the...

onlinedev.tools, Privacy first dev toolsFree, fast developer tools — no sign‑ups, no tracking.
