Firefox Quantum

Fast, private,
on your side

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Your system doesn't meet the requirements to run Firefox.

Your system doesn't meet the requirements to run Firefox.

Please follow these instructions to install Firefox.

Firefox Privacy Notice

Leave no trace with Private Browsing Mode

  • Keep sensitive searches private

    Open a New Private Window to enter Private Browsing Mode. When you close out, your history is erased.

  • Be invisible to advertisers

    Some ads have hidden trackers that follow you online. Firefox Tracking Protection, automatically on in Private Browsing Mode, stops them cold.

  • Load pages faster

    By blocking ads and scripts that bog down browsing, pages load faster.

Opt in to a Firefox account

We collect so little data about you, we don’t even have your email address. Opt in to an Account to take your privacy, passwords, and bookmarks with you wherever you go.

Learn more about Firefox Accounts

Make Firefox your own

  • Extend what your browser can do

    Customize Firefox with thousands of extensions including LastPass, uBlock Origin and more.

  • Change up your look

    Choose a new look from our theme categories or create your own.

  • Put your tools where you want them

    Drag and drop features into your toolbar for easy access.

Faster than Chrome on many top sites

So pages load quicker.

Smoother computing

Firefox uses less memory than Chrome for a better overall experience.

Learn More

Switching to Firefox is easy

Bring your settings from Chrome – Firefox does the rest.

Learn More

The browser built for you, not advertisers

Fast, private, on your side