Firefox 148 will include a new 'Block AI enhancements' toggle and granular controls for managing AI features individually, responding to user feedback about unwanted AI integration.
Mozilla has announced that the upcoming Firefox 148 release will include comprehensive controls for managing AI features, giving users the ability to disable all generative AI functionality or selectively enable specific tools according to their preferences.
The new "Block AI enhancements" toggle will be available when Firefox 148 rolls out on February 24, providing users with a single location to block current and future generative AI features in the desktop browser. This move comes in direct response to user feedback expressing concerns about AI integration in the browser.
"We've heard from many who want nothing to do with AI. We've also heard from others who want AI tools that are genuinely useful," said Firefox head Ajit Varma. "Listening to our community, alongside our ongoing commitment to offer choice, led us to build AI controls."
Granular Control Over Individual AI Features
Beyond the all-or-nothing toggle, Firefox 148 will allow users to manage five specific AI-powered features individually:
- Browser translations - AI-powered translation capabilities
- Alt text generation for images in PDFs - Automatic image description creation
- AI-enhanced tab grouping with suggested names - Intelligent tab organization
- Link previews showing key points - AI-generated summary previews
- Sidebar access to chatbots - Integration with services like Anthropic Claude, ChatGPT, Microsoft Copilot, Google Gemini, and Le Chat Mistral
The AI controls panel will respect existing user choices. Features previously used will appear as "Enabled," those previously turned off will show as "Blocked," and unused features will display as "Available."
User Choice at the Core
Mozilla's decision reflects a broader philosophy about AI integration in consumer products. The company emphasizes that AI should always be a choice that users can easily turn off, with clear explanations about why features work the way they do and what value they provide.
"Every product we build must give people agency in how it works. Privacy, data use, and AI must be clear and understandable," said Anthony Enzor-DeMeo, Mozilla Corporation's new CEO, when announcing this approach in December 2025.
The AI controls will persist across browser updates and can be modified at any time. Users who enable the "Block AI enhancements" toggle will also prevent pop-ups or reminders about existing or upcoming AI features.
Testing and Feedback
The feature will first roll out to Firefox Nightly users, the browser's experimental release channel, before reaching all desktop users later this month. Mozilla is actively encouraging early adopters to provide feedback through Mozilla Connect, the company's dedicated user feedback and discussions platform.
This approach positions Firefox as a browser that prioritizes user control and transparency in an era where many tech companies are aggressively pushing AI features into their products. By giving users complete control over AI functionality, Mozilla is betting that choice and privacy will be key differentiators in the competitive browser market.
The move also addresses growing concerns about AI features being enabled by default without clear opt-out mechanisms, a practice that has drawn criticism from privacy advocates and users who prefer to make conscious decisions about which technologies they use.
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