Firefox

An independent open source browser

Open sourceBrowsers and systems

About Firefox

Firefox is a web browser. Made by the non-profit-owned Mozilla, with its own engine and tracking protection.

Firefox is best for people who want a browser run by a non-profit. Firefox is open source. It works on iOS, Android, Windows, Mac and Linux.

Features

  • Enhanced Tracking Protection

    On by default.

  • Containers

    Keep sites separated.

  • Open source

    Built by Mozilla and its community.

Questions about Firefox

What is Firefox?

Firefox is a web browser. Made by the non-profit-owned Mozilla, with its own engine and tracking protection.

Who is Firefox best for?

Firefox is best for people who want a browser run by a non-profit.

What are the main features of Firefox?

Its main features include Enhanced Tracking Protection, Containers and Open source.

Is Firefox free?

Yes. Firefox is open source, so you can use it for free and read its code. Hosted versions or support may cost extra.

What platforms does Firefox work on?

Firefox works on iOS, Android, Windows, Mac and Linux.

What are the best alternatives to Firefox?

Popular alternatives include Brave, Opera and Vivaldi. Compare them on the features you need most.

How do I choose a web browser?

Compare privacy defaults, speed, extensions and how well it syncs across your devices.

Alternatives to Firefox

Brave

A browser that blocks ads

Free · iOS, Android, Windows +2

Opera

A browser with built-in extras

Free · Windows, Mac, Linux +2

Vivaldi

A browser you can shape

Free · Windows, Mac, Linux +2

DuckDuckGo

Private search and browsing

Free · Web, Windows, Mac +2

Tor Browser

Browse anonymously

Open source · Windows, Mac, Linux +1

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