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Mozilla Confirms Opt-In AI and ‘Kill Switch’ for Firefox

The company says features will be off by default to reassure privacy‑minded users.

Overview

  • Firefox’s official Mastodon account said a central switch will let users fully disable all AI functions, internally labeled an "AI Kill Switch" that is expected to ship under a different name.
  • Firefox developer Jake Archibald said every AI feature will be opt‑in and confirmed the switch will remove AI elements permanently, while noting grey areas such as whether a new toolbar button counts as opt‑in.
  • Mozilla reiterated that AI capabilities will remain disabled by default and activate only after explicit consent, with the exact opt‑in mechanics still under discussion.
  • New CEO Anthony Enzor‑DeMeo outlined a strategy to evolve Firefox into an AI‑capable browser as Mozilla seeks to define itself as a provider of trusted software.
  • Coverage highlights unresolved details about how comprehensive the switch will be, as some in the community and projects like Waterfox question privacy and technical implications of any in‑browser AI infrastructure.