Best Online Developer Tools
Developers need quick utilities — format JSON, decode JWTs, test regex, generate UUIDs. The best suites keep data client-side.
Recommended suites
- Irreva — 25+ dev tools, no upload, integrated with calculators/PDF
- IT-Tools — large open-source collection (self-hostable)
- JSONFormatter.org / JSONLint — JSON-focused
- DevToys (desktop) — offline Windows utilities