Mozilla Firefox (known simply as Firefox) is a free and open source web browser descended from the Mozilla Application Suite. Firefox is highly extensible, with thousands of third-party add-ons available.

Firefox version 60+ (Quantum) is presently faster than Google Chrome and use less memory than Chrome. Compare to previous versions of Firefox, the Quantum version is twice as fast, promote parallelism, and has more intuitive user interface.
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Firefox is developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation



Supported Platforms 1 note on Mozilla Firefox's platform support

Mac Windows Linux Android iPhone Android Tablet BSD iPad Snapcraft Haiku Fire TV

Platform comments

  • Android “Requires Android 2.3+, ARMv7 processor and 17 MB storage. 512 MB RAM recommended.”

Apps for Mozilla Firefox

Mozilla Firefox is also a platform with 1253 apps listed on AlternativeTo. Browse all 1253 apps for Mozilla Firefox.

Links to official Mozilla Firefox sites

Official Website    Facebook    Twitter    Source


Add-ons Add-ons on Mobile Save Articles Block trackers Bookmark organization Built-in Download Manager Built-in Script Blocker Cloud sync Container tabs Content blocker Content blocking Cookie whitelist Custom DNS Customizability Customizable Developer Tools Efficiency Encrypted sync Extensible by Plugins/Extensions Extensive customisability Firefox Extensions Support for Firefox extensions Based on Gecko engine Guided configuration HTML5 Support Integrated Password Manager Integrated PDF Viewer Legacy addons support Live updating Low-Ram Usage Optimized for Mobile Moddable Night mode/Dark Theme No Tracking Password management Picture in Picture Portable Privacy focused Privacy Protected Privacy settings Security & Privacy Security focused Smart Keywords Stability Tabbed browsing Support for Themes Themes Toggle reader view UI customization Undo close tab list Support for WebExtensions Website screenshots Add a feature


Development Office & Productivity Security & Privacy Web Browsers


bookmark-sync-own dns-over-https doh flash-blocker gecko-engine tracking-protection web-browser


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3.9 out of 5 with 135 ratings

ReviewsView all

It's fast, simple and it's more lightweight than chrome and chromium. It doesn't insist on features I don't want, like some other browsers :/ Plus, Its size is a little smaller than other competing...

See why people like Mozilla Firefox 😍

A great browser that's lost it's way. As of 8/6/17 Firefox has begun to collect user data in an attempt to collaborate with Online News Association (A VERY partisan organization,) in an attempt to...

See why people do not like Mozilla Firefox 😡 Post your review