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App Store
apps.apple.com › us › app › google-authenticator › id388497605
Google Authenticator App - App Store
1 month ago - 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 ...
Apps
Find apps and games for iPhone, iPad, Mac, and more on the App Store.
Iphone
Find apps and games for iPhone, iPad, Mac, and more on the App Store.
Mac
Find apps and games for iPhone, iPad, Mac, and more on the App Store.
Games
Find apps and games for iPhone, iPad, Mac, and more on the App Store.
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Google Play
play.google.com › store › apps › details
Google Authenticator - Apps on Google Play
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 ...
Rating: 3.8 ​ - ​ 666K votes
computer program for improving security against unauthorized access into online accounts and portfolios
google authenticator
Google Authenticator is a software-based authenticator by Google. It implements multi-factor authentication services using the time-based one-time password (TOTP; specified in RFC 6238) and HMAC-based one-time password (HOTP; specified in RFC 4226), … Wikipedia
Factsheet
Developer Google
Release September 20, 2010; 15 years ago (2010-09-20)
Written in Java (Android, Blackberry)
Objective-C (iOS)
Factsheet
Developer Google
Release September 20, 2010; 15 years ago (2010-09-20)
Written in Java (Android, Blackberry)
Objective-C (iOS)
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Wikipedia
en.wikipedia.org › wiki › Google_Authenticator
Google Authenticator - Wikipedia
3 weeks ago - Google Authenticator is a software-based authenticator by Google. It implements multi-factor authentication services using the time-based one-time password (TOTP; specified in RFC 6238) and HMAC-based one-time password (HOTP; specified in RFC 4226), for authenticating users of software applications.
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Chrome Web Store
chromewebstore.google.com › detail › authenticator › bhghoamapcdpbohphigoooaddinpkbai
Authenticator - Chrome Web Store - Google
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 location.
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Google Account
myaccount.google.com › two-step-verification › authenticator
Sign in - Google Accounts
Loading · Sign in · Use your Google Account · Email or phone · Forgot email · Type the text you hear or see · Create account
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Google Support
support.google.com › accounts › answer › 1066447
Get verification codes with Google Authenticator - Android - Google Account Help
On your Android device, go to your 2-Step Verification settings for your Google Account. You may need to sign in. Tap Set up authenticator.
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Tom's Guide
tomsguide.com › computing › internet › online security
What Is Google Authenticator (and How to Use It) | Tom's Guide
February 9, 2022 - The app, which is available for both iOS and Android smartphones, scans QR codes on participating websites to create 2FA codes that serve as a second level of protection when you log in. Each site is different, but a site that works with Google Authenticator (or similar apps like Authy) will have an option to scan the QR code when setting up 2FA.
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Mashable
mashable.com › home › tech
How to set-up and use Google Authenticator on your phone | Mashable
It's easy to set up and can be used in a process called two-factor authentication (2FA) offered on popular services like Gmail, Facebook, Twitter, Instagram, and more. The app (iOS/Android) generates a random code used to verify your identity when you're logging into various services. The code can technically be sent to your phone via text message every time— but the Google Authenticator app provides an extra level of security.
Published   October 29, 2017
Find elsewhere
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TechTarget
techtarget.com › searchsecurity › definition › Google-Authenticator
What is Google Authenticator? | Definition from TechTarget
Google Authenticator is a mobile security application that provides a second type of confirmation for websites and online services that use two-factor authentication (2FA) to verify a user's identity before granting him or her access to secure ...
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WIRED
wired.com › security › passwords › how to use google authenticator
How to Use Google Authenticator | WIRED
May 14, 2023 - To start off, download the app to your smartphone or tablet. Google Authenticator is available for iOS and Android. Open the app and tap on the Get Started button. You will have the option to either log in with your Google account or use the ...
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Daito
daito.io › resources › the beginner's guide to google authenticator
The beginner's guide to Google Authenticator
Google Authenticator has become one of the most widely used two-factor authentication (2FA) apps, helping to secure millions of online accounts with a second layer of protection beyond just a password.
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Softonic
google-authenticator.en.softonic.com › home › android › security & privacy › google authenticator
Google Authenticator for Android - Download
March 16, 2026 - Google Authenticator is a mobile app that provides users with the ability to create 2-step verification when signing into their Google account from a location other than their trusted computer.
Rating: 8.8/10 ​ - ​ 148 votes
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PCMAG
pcmag.com › home › reviews › security
Google Authenticator Review: Simple Security With Some Strings Attached | PCMag
Google Authenticator
Google Authenticator is a free, easy-to-use MFA app with seamless syncing for Google account users, but limited portability and relatively extensive data collection may give privacy-minded users pause.
Rating: 3.5 ​
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negg Blog
negg.blog › home › what is google authenticator and how it works
What is Google Authenticator and how it works - negg Blog
March 5, 2026 - These codes represent the second step of two-factor authentication: the first is your password, the second is a six-digit numeric code that changes every 30 secondsand is visible only in the app. The goal of this tool is to increase account security (not just for Google accounts) against unauthorized access even in cases where someone manages to steal your password.
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Fuse Workforce
fuseworkforce.com › en › knowledge › how-to-set-up-google-authenticator-on-a-web-browser
How to Set Up Google Authenticator on Web Browser
Google Authenticator is used for Mutli-Factor Authentication (MFA) and can be downloaded to any mobile device.
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GitHub
github.com › google › google-authenticator
GitHub - google/google-authenticator: Open source version of Google Authenticator (except the Android app) · GitHub
The Google Authenticator project includes implementations of one-time passcode generators for several mobile platforms.
Starred by 5.4K users
Forked by 997 users
Languages   Java 43.5% | Objective-C 31.1% | HTML 25.4%
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Lenovo
lenovo.com › home
Google Authenticator: How It Works for Two-Factor Authentication (2FA) | Lenovo US
Google Authenticator is a two-factor authentication (2FA) app that generates time-based one-time passwords (TOTP) or HMAC-based one-time passwords (HOTP). It works alongside your password to provide an added layer of security for online accounts. Once set up, the app creates six-digit codes ...
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Gizmodo
gizmodo.com › download › utilities › google authenticator
Download Google Authenticator (free) for Android, APK and iOS | Gizmodo
1 week ago - The Google Authenticator 2FA application developed by Google boosts online security protection through time-based one-time password generation (TOTP). The app creates an additional defense system to protect users who authenticate through 2FA services because hackers would need both the password and the app-generated code to successfully log in.
Rating: 4.4 ​ - ​ 1.79M votes
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Google Safety Center
safety.google › intl › en_ca › safety › authentication
Authentication tools for secure sign-in—Google Safety Centre
Browse the different types of passwordless authentication tools we offer that are designed to help you sign in quickly and securely across devices.
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Okta
help.okta.com › en-us › content › topics › security › mfa › google-authenticator.htm
Google Authenticator (MFA)
Google Authenticator is an app that provides a Time-based One-time Password (TOTP) as a second factor of authentication to users who sign in to environments where multifactor authentication (MFA) is required.