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

Mozilla protects your privacy in every product.

Firefox Browser

2,000+ trackers blocked — automatically

Tracking has become an epidemic online: companies follow every move, click and purchase, collecting data to predict and influence what you’ll do next. We think that’s a gross invasion of your privacy. That’s why Firefox mobile and desktop browsers have Enhanced Tracking Protection on by default.

If you want to see what Firefox is blocking for you, visit this page on your Firefox desktop browser.

See what Firefox has blocked for you

Get Enhanced Tracking Protection

Update your Firefox browser

  • Invisible to the top trackers

    Meet four of the most common categories of trackers — who won’t meet you.

  • Always in your control

    Want to customize what gets blocked? Your settings are only one click away.

  • Protection beyond tracking

    If you have a Mozilla account, you can also see how we’re helping you protect your personal info and passwords.

Mozilla Monitor

When you enter your email address in Mozilla Monitor, we forget it immediately after we’ve checked to see where your personal details have been exposed — unless you authorize us to continue monitoring your info for future exposures.

Check for exposures now

Mozilla VPN

Surf, stream and get work done on servers in over 30 countries for a secure internet connection with a new perspective.

Get Mozilla VPN


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Your Mozilla account

All the information synced through your Mozilla account — from browser history to passwords — is encrypted. And your account password is the only key.

Take your privacy and bookmarks everywhere with a Mozilla account.

Enter your email to create a Mozilla account.

By proceeding, you agree to the Terms of Service and Privacy Notice.

Read the Privacy Notice for our products