Mozilla is making Perplexity’s AI answer engine a built-in search option in Firefox worldwide on desktop, with mobile support coming in the months ahead.
📌 Key Takeaways
- Perplexity is now a global desktop search option in Firefox.
- Mobile support is planned for the coming months.
- You can switch to Perplexity via the unified search button or Settings.
- Mozilla cites positive feedback from earlier US/UK/DE tests.
- Mozilla says Perplexity does not sell or share personal data.
Perplexity Becomes a Built-In Search Option in Mozilla Firefox
Mozilla confirmed that Perplexity is moving from a limited pilot to a fixture in Firefox’s search choices, available to all desktop users globally.
The option sits alongside Google, Bing, and others, and can be toggled on demand or set as a default. Mobile support is on the roadmap.
“After positive feedback, we’re making it a fixture, rolling it out to more users for desktop.” — Team, Mozilla Firefox
Users should always have control over their online experience.
Starting today, Firefox users can set Perplexity as their default search engine or choose it for one-time searches for intelligent, accurate, and trustworthy answers. pic.twitter.com/B0p1bA4AIl
— Perplexity (@perplexity_ai) October 14, 2025
How It Works in the Browser
Perplexity provides conversational answers with citations instead of a traditional list of links. In Firefox, you can tap the unified search button in the address bar to run a query with Perplexity, or change your default engine in Settings if you prefer to use it every time.
The feature follows earlier regional tests and is expanding broadly on desktop first, with mobile to land in the coming months.
Privacy and Control
Mozilla’s announcement stresses user choice and data protection, pointing users to Perplexity’s policy and stating the provider does not sell or share personal data. You decide when to use an AI answer engine and when to stick with classic web search.
“You decide when to use an AI answer engine, or if you want to use it at all.” — Team, Mozilla Firefox
How To Use Perplexity in Firefox (Quick Steps)
- Click the address bar and open the unified search button.
- Choose Perplexity to run a one-off AI answer.
- To make it default: Settings → Search → Default Search Engine → Perplexity.
- Check mobile again in the coming months as rollout expands.
Why It Matters for AI Search
Rather than launching a new AI browser, Mozilla is layering AI search inside Firefox. That keeps choice front and center while giving users answer-first results when they want them.
It also signals a broader shift, as mainstream browsers test AI engines without removing traditional search.
Some coverage framed the move as Firefox “dumping” traditional search, but Mozilla’s post makes clear this is optional, not a replacement. Expect further AI search choices if user feedback remains strong.
Conclusion
Firefox adding Perplexity is a practical way to try AI search without leaving your current browser. If the desktop rollout lands well and mobile follows as planned, AI answer engines will sit next to classic search as a normal part of everyday browsing.
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15th October 2025
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