Geospoof: a firefox add-on for convenient geolocation privacy
Privacy Guides Community [Unofficial]
May 16, 2026
sgro:
> That being said, Firefox does expose a couple of niche OS-level apis that do expose your system date/time, including Web Workers
I have been working on patching Web Worker timezone leaks, and made some significant progress in the most recent version of GeoSpoof (1.19.1). More updates to come
You can test your browser running GeoSpoof on my new experimental test suite: Verify your protection | GeoSpoof (disclaimer: may have bugs, still in progress).
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