Google Authenticator: Fortify Your Digital Life with Effortless 2-Step Verification

Secure your banking, crypto, and professional accounts with the gold standard of protection. Generate codes instantly, stay safe offline, and sync seamlessly across all your devices.

Security & Privacy ›

Publisher

Google LLC

Security at a Glance

Discover the interface used by 134M+ users.

Onboarding screen for Google Authenticator explaining 2-step verification security

Google Authenticator onboarding screen showing simple setup using a QR code scan

Google Authenticator onboarding screen explaining 2-step verification code sign in process

Google Authenticator app screen explaining cloud syncing of security codes

Google Authenticator home screen showing 2FA verification codes for multiple accounts

Interface of the Google Authenticator app displaying six-digit verification codes for multiple accounts.

Pro-Grade Security for Your Digital Life

The tools that make this app stand out, trusted by 134M+ users.

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Cloud-Synced Recovery

Never worry about being locked out. Your codes are securely backed up to your Google Account and synced across all your devices for total peace of mind.

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Instant Setup with QR

Secure new accounts in seconds. Simply scan a QR code to link your most important apps, from crypto exchanges to corporate Slack and GitHub.

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Reliable Offline Access

Stay secure even when traveling or off the grid. Generate verification codes instantly without needing a cellular or internet connection.

Loved by users worldwide

Trusted by 134M+ people who love this app.

"The latest update with Google Account sync is exactly what I needed. I no longer have to fear losing access to my professional accounts if I upgrade my phone. It's fast, works offline, and the QR code setup makes adding new services incredibly seamless."

David Chen

"Google Authenticator is my go-to for securing my crypto wallets and banking apps. It provides a much higher level of security than SMS codes, and I love that I can access it across my iPhone and iPad simultaneously. Simple and essential."

Elena Rodriguez

About the app

Everything you need to know about Google Authenticator.

Description

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 need to enter a code that is generated by the Google Authenticator app on your phone. The verification code can be generated by the Google Authenticator app on your phone, even if you don't have a network or cellular connection. • 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. This is quick and easy, and it helps to ensure that your codes are set up correctly. • Support for multiple accounts. You can use the Authenticator app to manage multiple accounts, so you don't have to switch between apps every time you need to sign in. • Support for time-based and counter-based code generation. You can choose the type of code generation that best suits your needs. • Transfer accounts between devices with a QR code. This is a convenient way to move your accounts to a new device. To use Google Authenticator with Google, you need to enable 2-Step Verification on your Google Account. To get started visit http://www.google.com/2step

Latest Version

5.0.0

Size

37.6 MB

First Released

Sep 20, 2010

Secure Your World in Seconds

Join millions of users who trust Google Authenticator for seamless, offline-ready 2-step verification. Download now to sync your codes across devices and eliminate the risk of being locked out.

FAQ

Frequently Asked Questions

Everything you need to know about Google Authenticator

What is Google Authenticator?

Google Authenticator adds an extra layer of security to online accounts. It generates a unique verification code on your phone, which you enter in addition to your password during sign-in for 2-Step Verification.

Does Google Authenticator work offline?

Yes, Google Authenticator generates verification codes on your phone even if you do not have a network or cellular connection. This ensures continuous access to your codes.

Can I sync my Google Authenticator codes across devices?

Yes, Google Authenticator syncs your verification codes to your Google Account. This feature allows you to access your codes across all your devices, even if you lose your phone.

How do I set up Google Authenticator for a new account?

You can set up Google Authenticator accounts automatically by scanning a QR code with your camera. This method is quick, easy, and ensures correct setup within your 2-Step Verification settings.

Does Google Authenticator support multiple accounts?

Yes, Google Authenticator supports multiple accounts. You can manage several accounts within the app, eliminating the need to switch between different applications for sign-ins.

Can I transfer my Google Authenticator accounts to a new phone?

Yes, Google Authenticator allows you to transfer accounts between devices. You can use a QR code for this process, which provides a convenient way to move your accounts to a new device.

Is Google Authenticator secure?

Yes, Google Authenticator provides stronger security by adding a second step of verification to your online accounts. It requires a unique code generated by the app in addition to your password.

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