Security & privacy

Choose a strong password

How to choose a strong password for your Mozilla account.

Last updated: 11/05/2023

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.

Last updated: 04/14/2024

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.

Last updated: 05/07/2024

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.

Last updated: 12/29/2023

How Firefox securely saves passwords

Learn how Firefox securely saves your passwords.

Last updated: 03/07/2024

Remove a synced device from your Mozilla account

Disconnect a device from your Mozilla account and stop syncing its data.

Last updated: 10/23/2023

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.

Last updated: 10/29/2023

Firefox accounts renamed Mozilla accounts - What you need to know

Firefox accounts has been renamed Mozilla accounts since it's now used by various products and services to authenticate and manage accounts.

Last updated: 10/13/2023

Change your Mozilla account password

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

Last updated: 10/28/2023

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.

Last updated: 02/23/2024

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.

Last updated: 10/30/2023

Delete sync data from Firefox by signing out of your Mozilla account

How to sign out of your Mozilla account and remove your synced data from a device.

Last updated: 11/09/2023

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.

Last updated: 10/29/2023

Sync bookmarks, logins and browsing history on Firefox for iOS

Pair Firefox for iOS with Firefox desktop and Android to sync your bookmarks, logins and other browsing information across devices.

Last updated: 10/31/2023

Suspicious activity on my Mozilla account

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