Get Firefox for Windows, Mac or Linux. Firefox is a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy.

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

Dec 20, 2025 · The Mozilla Foundation's CEO said Firefox will be gaining an "AI kill switch" to opt out of AI features on the browser, but is that best?

Irvin is inspiring more people to build a better digital future. As a longtime contributor and volunteer community lead for the Mozilla Taiwan Community, Irvin is passionate about turning …

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!

Sep 25, 2025 · Installation and updates Learn how to install your favorite Mozilla products and keep them updated. Update Firefox to the latest release Firefox automatically updates itself by …

Firefox: Get the gold standard for browsing with speed, privacy and control. Thunderbird: Go chaos-free with one app for all your emails, calendars and contacts.

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

Download the browser that puts your privacy first — get Firefox for Windows, macOS, or Linux on desktop.

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 …