Sync data

Sync your data across different platforms and devices.

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:

Manage the devices linked to your Mozilla account

Find solutions to help you manage the devices and services connected to your Mozilla account.

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

Sync Firefox data

Learn what Sync is, how it works, what it lets you do and how to avoid data loss with Sync, Firefox and your Mozilla account.

Firefox, Firefox for Android, Firefox for iOS Firefox, Firefox for Android, Firefox for iOS 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:

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:

Access your add-ons with a Mozilla account

The addons.mozilla.org (AMO) site is using Mozilla accounts to offer a more integrated experience across all Mozilla services and products.

Firefox, Mozilla Account Firefox, 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:

Using a Primary Password with Sync

Learn how to use Sync in Firefox with a Primary Password (formerly known as a “Master Password”) for extra protection.

Firefox Firefox 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:

What happened to Firefox Send?

Firefox Send has been discontinued as of September 17th, 2020. Thank you for trying Firefox Send in the past.

Firefox, Firefox Send Firefox, Firefox Send 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:

Sign in to Pocket with your Mozilla account

Learn how to sign in to Pocket with your Mozilla account and resolve issues with signing in.

Firefox, Mozilla Account, Pocket Firefox, Mozilla Account, Pocket 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: 6 days, 21 hours ago

Sync custom preferences

Firefox Sync allows you to sync your preference settings across all your Firefox Desktop devices. Learn more.

Firefox Firefox Last updated:
Illustration of hands

Volunteer

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

Learn More