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koala x's avatar

koala x

Solo developer. Broke my mouse, built a tester to diagnose it, got carried away — ufozoo.com now has 200+ free browser tools, all running client-side with zero uploads. I build small honest tools and rename variables more than I should.


The origin story — ufozoo.com

Started because my mouse started double-clicking and I couldn't tell if it was the hardware, the driver, or the game. Built a tester, then a keyboard tester, then it snowballed — now 200+ free browser tools, all running client-side with zero uploads.

  1. ufozoo.com

    200+ free browser tools that never upload your data

    $undefined/mo

Recent activity

Aug 6, 2026created a post
How a broken mouse became 200+ browser tools

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