Sync data

Back up and transfer your Firefox data to a new device

Learn how to transfer your browser data when switching devices using Firefox Sync. Back up your bookmarks, history, passwords, etc. with your Mozilla account.

How to set up Firefox Sync in Firefox for Android

Learn how to enable sync on Firefox for Android to sync your bookmarks, payment methods, history, passwords and open tabs across your devices.

Restore bookmarks from backup or move them to another computer

Learn how to restore your bookmarks from the automatic backups that Firefox creates, save and restore your own backups, and move bookmarks to another computer.

Mozilla account - Managing account data

How to manage your Mozilla account data.

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.

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.

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.

How to perform Sync on Firefox desktop

How to enable and perform a Sync on Firefox desktop

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.

Switch from Chrome to Firefox

Firefox can automatically move bookmarks, passwords, history and other preferences from Chrome without deleting it or interfering with any of its settings.

Remove a synced device from your Mozilla account

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

Send Tab from Firefox desktop to other devices

The Send Tab feature lets you send pages from Firefox desktop to your phone or tablet so you can view them later.

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.

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.

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.

I've lost my Firefox Sync account information - What to do

This article explains what to do if you forget or lose your Mozilla account password and can't access your Sync account.

Change your Mozilla account password

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

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.

View synced tabs from other devices in Firefox for Android

When you sign in to your Mozilla account, you can access your open tabs across all your synced devices.

Use 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.

Change your two-step authentication device for your Mozilla account

What to do if you have two-factor authentication (2FA) setup on your account and need to migrate to a new device or phone.

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.

How Firefox securely saves passwords

Learn how Firefox securely saves your passwords.

Sync logins in Firefox for iOS

How to enable logins sync on Firefox for iOS so that you can access your logins across other synced devices.

Turn on/off saved logins, login sync and login autofill in Firefox for Android

Learn how to save, sync and access your logins in Firefox for Android

Transfer information from the old to new Firefox for Android (Nightly or Beta)

You can move your bookmarks, saved logins and browsing history by enabling Sync on your current Nightly browser, then on the new Nightly.

How do I share a tab from Firefox for Android?

Share tabs with your synced devices or with other apps.

Why can’t I use Firefox sync with my Google or Apple ID?

You can use your Google or Apple ID to sign in to all Mozilla products and services.

Firefox Sync - Take your bookmarks, tabs and personal information with you

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Share pages with Firefox from other browsers

Send web pages from other browsers to Firefox for Android.

View synced tabs from other devices

How to open tabs across your desktop and Android devices.

Send a tab from Firefox for iOS to another device

Send a tab from Firefox for iOS so you can read it on another device.

Drag and drop links and tabs to and from Firefox

You can open links or tabs from one app on Firefox or vice versa.

Firefox Sync takes too long to sync or send pages from my iPhone or iPad

What to do if Firefox for iOS takes a long time to sync or send URLs.

Send Tab from another mobile app to Firefox

You can send links from another app like Twitter to Firefox on your computer or phone.

Sync custom preferences

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

Where are my synced tabs in Firefox for iOS?

You can sync your bookmarks, logins, open tabs and browsing history between devices via Firefox for iOS.

How to share URLs on Firefox for macOS

Learn how to share URLs of the websites you visit on Firefox for macOS.

Sync bookmarks, history, passwords, and tabs on Android

View synced tabs from other devices in Firefox for iOS

Learn how to view and manage synced tabs from other devices in Firefox for iOS.

How do I submit a bug for Firefox Sync?

Submitting a bug for Sync? Please include these details.