DevTools Hub

Free online developer tools that run entirely in your browser. No server, no tracking, no signup.

Tools

• JSON Formatter — Format, validate, and minify JSON
• Base64 Encode/Decode — Convert text to Base64 and back (UTF-8 support)
• UUID Generator — Generate random UUID v4 strings (bulk supported)
• Hash Generator — MD5, SHA-1, SHA-256, SHA-512 hashing
• URL Encoder/Decoder — Percent-encode/decode URLs and components
• JWT Decoder — Decode JSON Web Tokens, inspect header/payload/expiration
• Timestamp Converter — Convert between Unix timestamps and human-readable dates
• Regex Tester — Test regular expressions with real-time match highlighting

Tech Stack

• Pure HTML / CSS / JavaScript — no frameworks, no build step
• 100% client-side — no backend, no database
• Dark theme optimized for developers

Run Locally

npx serve .

Deploy

Push to GitHub → connect to Cloudflare Pages → auto-deploy.

License

MIT