Every time I need to format JSON, decode a JWT, or generate a UUID, I end up on a different sketchy, ad-heavy website. I got tired of closing popups just to format my code.
So I built DevToys — 40 essential developer tools in one clean, fast, single page. No ads, no sign-up, no tracking.
🔗 Try it: https://devtoys-nu.vercel.app
📦 Source: https://github.com/JeffreyHamilton6399/devtoys
What's inside
40 tools including:
JSON Formatter — pretty/minify/validate
Base64 — encode/decode
JWT Decoder — header, payload, signature
Regex Tester — live match highlighting
UUID Generator — batch generation
Hash Generator — MD5, SHA-1, SHA-256, SHA-512
Color Converter — HEX ↔ RGB ↔ HSL
Timestamp Converter — Unix ↔ human date
Cron Parser — human-readable schedule
Diff Checker — line-by-line comparison
...and 30 more (URL encoder, Lorem Ipsum, etc.)
The architecture
Zero backend. It's a static site hosted on Vercel. Every tool runs entirely in your browser using native JavaScript APIs.
All computation is synchronous (instant results)
Zero heavy dependencies (tiny bundle, loads immediately)
No tracking, no analytics, no ads
Mobile responsive
Try it
🔗 Live: https://devtoys-nu.vercel.app
📦 Source: https://github.com/JeffreyHamilton6399/devtoys
Bookmark it and never look for a dev tool website again.
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