2FAS Auth — Internet’s favourite Open-source two-factor authenticator.
Private, simple and secure.
4.7
Average rating
6+
Million downloads
000 000
000 000
Your own 2FA app
Simple
2FAS Auth is the easiest way to enable two-factor authentication to verify your identity and securely sign-in to online accounts.
It's 100% free and works offline.
Sync between devices
Synchronize your Tokens with 2FAS export files, iCloud or Google Drive.
Multilanguage support
2FAS Auth supports 16 languages, with more to come, thanks to our awesome Discord community.
Guides and support
2FAS Auth has a robust Help Center and a dedicated support channel on our Discord channel.
Easy token restoration
You can enable secure data syncing with your personal iCloud or Google Drive to protect yourself from losing Tokens in case of phone damage or loss.
No trackers
2FAS Auth does not use any tracking codes. Your privacy and cybersecurity are always respected.
Open-source
2FAS Auth is Open-source to ensure full transparency and commitment to security.
Private and secure
Privacy is an integral part of 2FAS Auth, therefore, the app is 100% anonymous and doesn't require an account to use.
Open-source code ensures that every security feature we use can be verified by independent security experts.
Browser Extension available
Say goodbye to searching and retyping your security Tokens. Add 2FAS Auth to your web browser by installing the extension for Chrome, Brave, Firefox, Edge, Opera and Safari and enjoy a streamlined 2FA process while keeping your tokens private.
You have full control over the security at every stage.
Learn more about 2FAS Auth Browser Extension
On-tap authentication
Click the browser extension icon when you need to enter a 2FA token, then confirm in the mobile app. You don't have to retype anything.
End-to-end encryption
All communication between your mobile device and your browser is always end-to-end encrypted.
Easy connection
Pair your 2FAS Auth app with the browser extension by scanning the QR code, enable push notifications, and it's ready to use.
Benefits of two-factor authentication
Today, a single password for your online accounts often isn't enough to protect your sensitive information.
By enabling 2FA, you add an extra layer of security that is impenetrable to bad actors.
Improve convenience
Add 2FAS Auth to your web browser and say goodbye to searching and retyping your 2FA Tokens.
Learn moreOpen-source app that is and always will be free to use
You can donate to the 2FAS project to support our work.
Donate to 2FAS ProjectsWe are different
Learn what sets us apart and why it matters
| Comparison |  | ||||
|---|---|---|---|---|---|
| Apps | 2FAS Auth | Google Auth. | Authy | Microsoft Auth. | Duo |
Privacy:No phone number or email address required | | ||||
Open-source | | ||||
Local-first:Data stored locally, not sent to third-party servers | | ||||
Works offline:Every piece of information on your device, anytime and anywhere | | ||||
GDPR / CCPA Compliance | | ||||
Full comparison | Full comparison | Full comparison | Full comparison | Full comparison |
Open-source and driven by the growing community
Every 2FAS community member puts in an effort to develop the 2FAS project.
Contributions to the project are not only based on code review and new commits. We draw on our active community to:
- Crowdsource translations.
- Support users by helping them on 2FAS Discord server.
- Update databases with service icons.
- And much more!
We invite everyone to share their experiences, knowledge and ideas to help the 2FAS project make a real and positive change in Internet security and privacy.
2FAS Auth has been featured in
Why people love 2FAS Auth
4.7
4.6
