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Found this very old site for finding userChrome.js (in-browser) scripts (lemmy.world)
submitted 3 weeks ago by TheTwelveYearOld@lemmy.world to c/firefox@lemmy.world
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https://www.xuldev.org/misc/ucjs.php

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there doesn't seem to be anything here
this post was submitted on 08 Dec 2025
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