I built a privacy-first developer toolbox — 50+ tools, all in your browser

I built a privacy-first developer toolbox — 50+ tools, all in your browser Like most developers, I constantly reach for small utility tools — format this JSON, decode that JWT, convert this timesta...

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I built a privacy-first developer toolbox — 50+ tools, all in your browser

Source: DEV Community

I built a privacy-first developer toolbox — 50+ tools, all in your browser Like most developers, I constantly reach for small utility tools — format this JSON, decode that JWT, convert this timestamp. The problem: most of these sites are ad-heavy, slow, and quietly sending your data to a server somewhere. So I built Here Be Tools — a fast, client-side dev toolbox where nothing ever leaves your browser. What makes it different 100% client-side. Every tool runs entirely in your browser using native Web APIs and local JS libraries. No server requests for your data. No accounts. No tracking. Works offline. Because there's no backend, it loads fast and keeps working even without a network connection. Sensitive operations use Web Crypto. JWT signing, hashing, PEM decoding, and password generation all use the browser's built-in crypto API — meaning your secrets never touch a network. What's in it JSON — formatter, compare, schema validator, JSON→TypeScript, JSON→Zod, JSONPath tester Convert —