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Mozilla Firefox

Free, open-source web browser from Mozilla with strong privacy protection

by Mozilla

PRICEFree · open source

RUNS ONWindows, macOS, Linux, Android, iOS

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About Mozilla Firefox

Mozilla Firefox is a free, open-source web browser developed by the non-profit Mozilla. It is known for its focus on privacy, with built-in protection against many trackers, and for its large collection of add-ons.

Firefox is available for Windows, Mac and Linux, and as an app for Android and iOS. With a free Mozilla account you can sync bookmarks, passwords and open tabs between your devices.

Key features

Tracking protectionBlocks many trackers that follow you across websites

Add-onsThousands of extensions and themes

SyncBookmarks, passwords and tabs on all your devices

Private browsingBrowse without saving history

License and price

License type: Free · open source

System requirements

Operating system: Windows, macOS, Linux, Android, iOS

Good and keep in mind

Good

Free and open source
Strong privacy features built in
Runs on every major platform

Keep in mind

Some websites are tested mainly with Chrome

Frequently asked questions

Is Firefox free?

Yes. Firefox is free and open source, developed by the non-profit Mozilla.

Can I use Firefox on my phone with the same bookmarks?

Yes. Sign in with a free Mozilla account to sync bookmarks, passwords and open tabs between your computer and phone.