Seriously private browsing. Firefox automatically blocks 2000+ online trackers from collecting information about what you do online. Download for Desktop.

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

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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.

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Mozilla's family of products are all designed to keep you safer and smarter online. Firefox. Get the browser that blocks 2000+ data trackers automatically.