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Firefox Browser

Take control of your internet

Go online with fewer distractionsnoise and stress. Think of us as bubble wrap for your brain.

Download Firefox

Firefox is no longer supported on Windows 8.1 and below.

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

Firefox is no longer supported on macOS 10.14 and below.

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

Firefox Privacy Notice
Firefox on desktop and mobile.

Latest Firefox features

  • Happy toggle.

    Dial down the noise

    Block ads and enhance your privacy with customizable settings and tons of downloadable extensions.

  • Multiple cursors.

    Multi-task or mono-task

    Go into reading modepop out videos and get more organized with vertical tabs and tab groups.

  • Lots of open tabs.

    Keep tabs on all your tabs

    Close duplicatessearch and pin open tabs — there are almost-infinite possibilities for the almost-infinite number of tabs you have open.

See Release Notes

Get the browser that helps you get sh*t done

Block ad trackers without lifting a paw

Not-fun fact: Ad trackers make web pages load slower. Fun fact: You won’t have to dig around in settings to fix thatbecause Firefox automatically blocks most trackers.

Shield and hand protecting a browser tab.

Swear off staring into the abyss

Stay focused with extensions like Tomato Clock and Turn Off the Lights — they’re Recommendedwhich is like our gold star for having exceptional security and functionality.

A human brain connected to the world.

Your stuffon all your screens

Get Firefox mobile so your passwordstabs and history — and the privacy and security you rely on — go with you wherever you go.

Desktoplaptopand phone.

Privacy built in

Your personal data isn’t for sale. Trackers and 3rd party cookies are blocked by defaultso you can just … browse.

Learn how Firefox protects your data
Browser window with lock and shield icons.

*Really* make it yours

Firefox in dark mode.
  • Work smarterplay harder

    Explore the possibilities for researchshopping and more in extensions.

  • Byeboring browser

    The internet can be all kittens and rainbows — with the right add-on theme.

Firefox on a desktop.

Billionaire-free for 20+ years

Firefox was created in 2004 by Mozilla as a fastermore privateand customizable alternative to browsers like Internet Explorer. Todaywe are still not-for-profitstill not owned by any billionaires and still working to make the internet — and the time you spend on it — better.

Download Firefox

Firefox is no longer supported on Windows 8.1 and below.

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

Firefox is no longer supported on macOS 10.14 and below.

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

Firefox Privacy Notice
Questions? Mozilla support has you covered.