WebUSB Extension for Firefox

https://github.com/ArcaneNibble/awawausb

Article

  • Proof-of-concept Firefox extension adding WebUSB support via a native helper.
  • WebUSB currently Chrome-only, forcing users to install Chrome for hardware-dependent web apps.
  • Extension bridges the gap without waiting for Mozilla to ship native support.

Discussion

  • Developers frustrated that Chrome-only WebUSB forces Chromium installs for legitimate hardware tools.
  • Security skeptics object to browsers touching USB at all; others argue sandboxing makes it fine.
  • Web Serial just landed in mainline Firefox, seen as positive momentum.
  • Use cases cited: GrapheneOS flashing, IoT apps, avoiding app store requirements.

Discuss on HN


Type Link
Added Apr 20, 2026
Modified Apr 20, 2026