Authenticator
Authenticator generates 2-Step Verification codes in your browser.
Authenticator - Firefox Add-on for 2-Step Verification Codes
"Authenticator" is a Firefox extension designed for two-factor authentication (2FA). It creates 2FA codes in your browser, enhancing the security of your online accounts. Major features include adding accounts through QR code scanning, data encryption, multilingual support, and making backup to a file or cloud storage. It supports several 2FA mechanisms such as TOTP, HOTP, Steam Guard, and Blizzard Authenticator. Protect your digital life with Authenticator.
Add-on stats
Weekly download count: 3,256
Firefox on Android: No
Risk impact: Very high risk impact 
Risk likelihood:
Manifest version: 3
Permissions:
- activeTab
- storage
- identity
- alarms
- scripting
Host permissions:
- https://www.google.com/
- https://*.dropboxapi.com/*
- https://www.googleapis.com/*
- https://accounts.google.com/o/oauth2/revoke
- https://graph.microsoft.com/me/*
- https://login.microsoftonline.com/common/oauth2/v2.0/token
Size: 3.03M
URLs: Website ,Privacy policy
Ranking
# 145
Other platforms
Not available on Chrome
Not available on Android
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Add-on summary
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. Encrypting your secrets is strongly recommended, especially if you are logged into a Firefox account.
Features:
- Add accounts by scanning QR codes
- Search your accounts by pressing "/"
- Translated into more than ten languages
- Encrypt your secrets with a password
- Backup your secrets to a file, Google Drive, or Dropbox
- Sync your secrets with your Firefox Account
- Open source
- "Access your data for all websites" - Needed to take screenshots for scanning QR codes
- "Input data to the clipboard" - Needed to copy codes when clicked
- TOTP
- HOTP
- Steam Guard
- Blizzard Authenticator
User reviews
These summaries are automatically generated weekly using AI based on recent user reviews.
Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate,
spammy, or outdated. Pros
- Saves time by making 2FA easier to use
- Works perfectly for managing TOTP codes
- Helpful smart filter and autofill options
- Offline access to TOTP codes without reliance on online elements
Cons
- Difficult to understand how to use for some users
- Extension may not appear in the toolbar on certain setups
- Lack of documentation or support for troubleshooting
Most mentioned
- Ease of use for 2FA
- Offline accessibility of TOTP codes
- Issues with installation or visibility in Firefox
User reviews
by Jiangmen Fuye Metal Parts Co., Ltd., 2025-01-24
I'm so glad that I downloaded this extension. I use it constantly and it saves me a TON of time. Now I use 2FA for every single account and don't have to find my phone every single time. VERY HIGHLY RECOMMEND.
by Sphinx, 2025-01-14
by JEAN LUC, 2025-01-07
Add-on safety
Risk impact
Authenticator requires a lot of sensitive permissions. Exercise caution before installing.
Risk likelihood
Authenticator has earned a fairly good reputation and likely can be trusted.
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