Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts. Always keep a backup of your secrets in a safe, Google Authenticator adds an extra layer of security to your online accounts by adding a second step of verification when you sign in. This means that in addition to your password, you'll also, When you don't have an internet connection or mobile service, you can set up Google Authenticator or another app that creates one-time verification codes. To help verify it's you, enter the, • Sync your Authenticator codes to your Google Account and across your devices. This way, you can always access them even if you lose your phone. • Set up your Authenticator accounts automatically with a QR code., With Google Authenticator, you can secure your accounts on various online platforms, including Google, Facebook, Dropbox, and many others. The process of setting up the app is straightforward, which we will outline in the following steps., Setting up Google Authenticator on your phone requires only a few steps and about 5 minutes. It has become the standard way to use 2-factor authentication (2FA) to secure your online accounts, and we’re going to walk step-by-step through the setup process..