
2FAS Auth - Two factor authentication by 2FAS
2FAS Auth Browser Extension is simple, private, and secured: one click, one tap, and your 2FA token is automatically entered!
You'll need Firefox to use this extension
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About this extension
2FAS Auth Browser Extension is simple, private, and secure: 1 click, 1 tap, and your token is automatically entered!
Add 2FAS Auth to your web browser with our extension! Enter 2FA tokens automatically without re-typing for better security!
The 2FAS Auth Browser Extension allows you to log in to any online service with 2-factor authentication enabled, faster!
Easy set up in three steps:
1. Install the extension on your desktop browser
2. Open the 2FAS Auth app on your phone and pair your phone with your desktop browser
3. Start using the 2FAS Auth Browser Extension
When you want to log in using a 2FA token, simply select two-factor authentication token input field, click the 2FAS Auth Browser Extension icon, and confirm login on your phone!
Secure and fast log in.
Simply pair the service you want to login to with your 2FAS Auth app, then 2FAS Auth will automatically select your token for future logins, no searching or typing required!
Free access — no account required.
2FAS Auth is an easy-to-use authentication app that protects access to your online services and accounts.
Relying on a single password for your personal accounts, like Facebook or Instagram, often puts your data and sensitive information at risk.
The 2FAS Authenticator App generates one-time codes called Time-based One-time Passwords (TOTP) or HMAC-based (event-based) One-time Passwords (HOTP) for your account. By creating these codes offline and changing them every 30 seconds or every login, 2FAS drastically increases the security of your information.
Add 2FAS Auth to your web browser with our extension! Enter 2FA tokens automatically without re-typing for better security!
The 2FAS Auth Browser Extension allows you to log in to any online service with 2-factor authentication enabled, faster!
Easy set up in three steps:
1. Install the extension on your desktop browser
2. Open the 2FAS Auth app on your phone and pair your phone with your desktop browser
3. Start using the 2FAS Auth Browser Extension
When you want to log in using a 2FA token, simply select two-factor authentication token input field, click the 2FAS Auth Browser Extension icon, and confirm login on your phone!
Secure and fast log in.
Simply pair the service you want to login to with your 2FAS Auth app, then 2FAS Auth will automatically select your token for future logins, no searching or typing required!
Free access — no account required.
2FAS Auth is an easy-to-use authentication app that protects access to your online services and accounts.
Relying on a single password for your personal accounts, like Facebook or Instagram, often puts your data and sensitive information at risk.
The 2FAS Authenticator App generates one-time codes called Time-based One-time Passwords (TOTP) or HMAC-based (event-based) One-time Passwords (HOTP) for your account. By creating these codes offline and changing them every 30 seconds or every login, 2FAS drastically increases the security of your information.
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This add-on needs to:
- Display notifications to you
- Access browser tabs
- Access browser activity during navigation
- Access your data for all web sites
More information
- Add-on Links
- Version
- 1.7.4
- Size
- 5.26 MB
- Last updated
- 10 days ago (5 May 2025)
- Related Categories
- Licence
- GNU General Public Licence v3.0 only
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Tags
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Release notes for 1.7.4
Minor fixes and improvements
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