Today we will talk about the sync feature of Google Chrome browser which lets you Sync your bookmarks, extensions, apps, theme, and browser preferences across multiple computers. Keep in mind that we are talking only about  Google Chrome on Windows, Mac, Linux, and Chrome OS. This sync feature of Chrome browser saves your settings to your Google account which when logged in on any other system chrome browser, provides you the same settings on that computer.

 When you enable sync on another computer by signing in to the same Google Account, Google Chrome copies the settings you’ve selected to sync from your Google Account to the computer.

The settings which are synced is encrypted when it moves between your computer and Google’s servers along with saved passwords being encrypted on your computer and also on Google’s servers using a cryptographic key. If you want, the synced data can be removedeasily from your Google Account using the Google Dashboard.

How to enable or disable sync

  1. Open Google Chrome.
  2. Click the wrench icon wrench icon on the browser toolbar.
  3. Select Options (Preferences on Mac and Linux).
  4. Click the Personal Stuff tab.
  5. In the “Sync” section, click Set up sync.
  6. Sign in to your Google Account in the dialog that appears. Don’t have an account? Learn how to create one
  7. In the “Set Up Sync” dialog that appears, choose what you want to sync.
    • Sync everything: Select the “Keep everything in sync” option.
    • Choose specific items to sync: Select the “Choose what to sync” option, then select the checkboxes for the items you want to sync.

Choose an encryption method

These steps apply to Google Chrome on Windows, Mac, Linux, and Chrome OS.

  1. Click the wrench icon wrench icon on the browser toolbar.
  2. Select Options (Preferences on Mac and Linux; Settings on Chrome OS).
  3. Click the Personal Stuff tab.
  4. In the “Sync” section, click Customize (sync must be enabled already).
  5. If you’re using Windows, Mac, or Linux, click the Encryption tab in the dialog that appears.
  6. Choose how you’d like to generate the cryptographic key:
    • Google Account password: This is the default option. Your passwords are encrypted on Google’s servers with your Google Account password.
    • Custom password: Select “Choose my own passphrase” option and provide the passphrase you’d like to use. The passphrase is stored only on your computer.
  7. Click OK.

Via: Google Chrome Help here and here