DevTools Hub
Free developer tools in your browser. No server, no signup.
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Idaki Suzu

DevTools Hub - Free developer tools in your browser. No server, no signup.

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A collection of 8 free, privacy-first developer tools that run entirely in your browser. JSON Formatter, .gitignore Generator, README Generator, Color Palette, Meta Tag Generator, and more. Zero dependencies, zero tracking, zero cost. Built with vanilla HTML/CSS/JS.

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Idaki Suzu
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Hey everyone! I built DevTools Hub because I was tired of searching for simple tools every time I needed them, and tools that require signup just to format JSON. All 8 tools run 100% in your browser — nothing leaves your machine. No loading, no signup, no ads. Current tools: • JSON Formatter & Validator • .gitignore Generator • README.md Generator • Color Palette Generator • Meta Tag Generator • CLAUDE.md Generator • AI Prompt Library • Claude Code Cheat Sheet Built with just HTML, CSS, and vanilla JS. Fully open source. I'd love your feedback — which tool is most useful? What should I add next? GitHub: https://github.com/uzucky/devtoo...