Get TOTP Authenticator
Free on iOS, Android, Chrome, and Firefox. Codes generate offline the moment you add an account. No sign-up, no phone number required.
On your phone
The iOS and Android apps generate and store your codes, with free offline backup and restore built in.
In your browser
The Chrome and Firefox extensions show your codes next to where you sign in, once connected to your phone.
See how it works →If you're moving from another authenticator app, find your migration guide → For what's free and what's paid, check the pricing page →