Download Mozilla Firefox, a free Web browser. Firefox is created by a global non-profit dedicated to putting individuals in control online. Get Firefox for Windows, macOS, Linux, Android and iOS today!

Firefox was created in 2004 by Mozilla as a faster, more private, and customizable alternative to browsers like Internet Explorer. Today, we are still not-for-profit, still not owned by any billionaires …

Choose the browser that prioritizes you, not their bottom line. Don't settle for the default browser. When you choose Firefox, you protect your data while supporting the non-profit Mozilla Foundation, whose …

Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.

Feb 2, 2026 · Firefox has slowly added AI-powered features over the last two years. Firefox 130 added an optional chatbot sidebar with quick access to ChatGPT, Anthropic Claude, Google Gemini, and …

3 days ago · Firefox 148 adds a global AI kill switch, letting users block all AI features, stop data sharing, avoid pop-ups, and choose which tools run in the browser.

Download Mozilla Firefox for Windows, a free web browser. Firefox is created by a global not-for-profit dedicated to putting individuals in control online. Get Firefox for Windows today!

Firefox automatically updates itself by default, but you can always do a manual update. Learn how to update Firefox on Windows, Mac, or Linux. Learn more about common misconceptions about Private …

Get a sneak peek at the latest Firefox browser features before they’re released. Test your sites against soon-to-be-released Firefox browser features with powerful, flexible DevTools that are on by default.

Firefox is a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy.