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.

Firefox 57, which was released in November 2017, was the first version to contain enhancements from Quantum, and has thus been named Firefox Quantum. A Mozilla executive stated that …

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: 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.

We’re getting things readyLoading your experience… This won’t take long.

Nov 24, 2025 · Firefox is also notable for its wealth of available extensions. The unique Multi-Account Containers extension, for instance, lets you sequester multiple logins to the same site …

Products Firefox is just the beginning. Mozilla’s family of products are all designed to keep you safer and smarter online.

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