How to Use Google Authenticator Offline: A Guide to Authenticating Your Accounts Without Syncing

google-authenticator
  1. Google Authenticator was once only an offline tool for holding 2FA codes.
  2. Now, Google Authenticator is pushing synced 2FA codes across your Google Account.
  3. This syncing approach raises some security concerns.
  4. It is possible to use Google Authenticator outside of your Google Account by turning off syncing.
  5. Turning off syncing leaves your 2FA codes local-only.
  6. To disable Google Authenticator sync feature, open the app on your device.
    Tap your profile photo.
    Hit Use without an account.
    Tap Continue.
  7. With that, your 2FA codes are limited to that device.