Privacy and security

Learn how to protect your privacy and secure your data.

Choose a strong password

How to choose a strong password for your Mozilla account.

Mozilla Account, Privacy and Security Mozilla Account, Privacy and Security Last updated:

How do I set up Sync on my computer?

Use a Mozilla account to sync your bookmarks, history, passwords, add-ons and open tabs with another device, profile or version of Firefox.

Firefox, Mozilla Account Firefox, Mozilla Account Last updated:

What if I'm locked out of Two-Step Authentication?

Disable two-step authentication or use a backup authentication code to regain access to your account if you've been locked out of two-step authentication login.

Firefox, Mozilla Account Firefox, Mozilla Account Last updated:

How do I choose what information to sync on Firefox?

Learn how to select what information (bookmarks, add-ons, browsing history and other data) to share across your devices with Firefox Sync.

Firefox, Firefox for Android, Firefox for iOS,... Firefox, Firefox for Android, Firefox for iOS, Mozilla Account Last updated:

How to set up Firefox Sync in Firefox for Android

How to enable sync on Firefox for Android to sync your bookmarks, credit cards, history, logins and open tabs across your devices.

Firefox for Android, Firefox Lockwise, Mozilla Account Firefox for Android, Firefox Lockwise, Mozilla Account Last updated:

Disable Firefox Sync

Learn how to turn off Firefox Sync if you’d like to use your Mozilla account without syncing data such as, bookmarks, history and tabs.

Firefox, Mozilla Account Firefox, Mozilla Account Last updated:

Change your Mozilla account password

How to change your Mozilla account password if you detect strange activity on your account.

Firefox, Mozilla Account Firefox, Mozilla Account Last updated:

How do I know the status of my sync?

The Mozilla account toolbar icon tells you when you are signed in and syncing Firefox data. You can personalize it with your own avatar.

Firefox, Mozilla Account Firefox, Mozilla Account Last updated:

Disable Firefox Sync on a lost phone or tablet

This article describes what you should do to prevent someone from accessing your passwords on a lost device with Firefox Sync.

Firefox, Firefox for Android, Firefox for iOS,... Firefox, Firefox for Android, Firefox for iOS, Mozilla Account Last updated:

Suspicious activity on my Mozilla account

How to protect yourself if suspicious activity is detected on your Mozilla account.

Firefox, Firefox for Android, Mozilla Account Firefox, Firefox for Android, Mozilla Account Last updated:

How Firefox Sync keeps your data safe even if TLS fails

Firefox Sync encrypts your data before it ever leaves your device, and ensures that the password to unlock this encryption is never transmitted to the server.

Firefox, Mozilla Account Firefox, Mozilla Account Last updated:
Illustration of hands

Volunteer

Grow and share your expertise with others. Answer questions and improve our knowledge base.

Learn More