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Firefox is no longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Download Firefox ESR 64-bit

Download Firefox ESR 32-bit

Download a different build

Firefox is no longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Download Firefox ESR
Firefox Privacy Notice
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Facebook. Well contained. Keep the rest of your life to yourself.

Download Firefox and get the Facebook Container Extension

The Facebook Container Extension is currently only available for Firefox for Desktop.

Visit www.mozilla.org/firefox/new/ to get Firefox for Desktop.

Get Firefox for Android and iOS now.

Opt out on your terms

Facebook can track almost all your web activity and tie it to your Facebook identity. If that’s too much for you, the

Install and contain

Installing the

About Firefox and Mozilla

We’re backed by Mozilla, the not-for-profit organization that puts people over profit to give everyone more power online. We created this extension because we believe that you should have easy-to-use tools that help you manage your privacy and security.

Browse freely with Firefox today.