2! Authenticator Firefox

2! Authenticator

The private, offline 2FA Authenticator. Import accounts from mobile apps and generate TOTP codes securely

Features & Capabilities

2! Authenticator: Secure 2FA in Your Browser

Stop reaching for your phone every time you log in. 2! Authenticator brings secure, Time-based One-Time Passwords (TOTP) directly to your desktop browser. Fully compatible with the export features of major mobile authenticator apps, this extension keeps you in your workflow while maintaining top-tier security.

🚀 Why You’ll Love It

Stay in the Zone: No need to unlock your phone or wait for insecure SMS codes. Your 2FA codes are just a click away in your toolbar.

Bulk Import: Easily migrate your accounts! You can import multiple codes at once by scanning the export QR code from your mobile app.

Smart Sorting: The extension detects the website you are currently visiting and automatically suggests the correct code at the top of the list.

Universal Compatibility: Works with almost any online service that supports standard 2FA login.

🛠 Easy Setup Options

Scan: Use your webcam to scan a QR code (supports single accounts or bulk exports).

Paste: Copy and paste a QR code image directly from your clipboard.

Drag & Drop: Simply drag a QR code image into the extension window.

Manual Entry: Type in the secret key provided by your service.

🔒 Privacy First We believe your security is paramount.

Offline Operation: All logic is computed locally on your machine. Your codes are never sent over the internet.

Zero Data Sharing: We do not share your data with third parties.

Permissions: We only ask for permissions strictly necessary to scan codes (Camera/Active Tab) when you initiate the action.

💎 Premium Features (One-Time Fee: $2.99) Unlock the full potential of 2! Authenticator with a lifetime license:

AES-GCM Encryption: Lock your vault with a personal password/PIN to prevent unauthorized access.

Cloud Backup & Restore: Securely backup your vault to your preferred cloud service or hard drive. Never lose your access again.

Device Transfer: Export QR codes to move accounts to a new phone or device.

⚠️ Important Security Notes

No Password Recovery: To ensure maximum security, we cannot reset your password/PIN if you lose it. If you forget your encryption PIN, your data cannot be recovered.

Webcam Requirement: Importing multiple codes from mobile apps requires a webcam to scan the export QR code.

Version 2.0.0 - Major Update!

New UI: Completely redesigned for ease of use.

One-Click Copy: Click a code to copy it instantly.

Smart Suggestions: Accounts affiliated with your active tab appear at the top.

Improved Scanning: Faster webcam and webpage scanning.

User Growth & Download Statistics

Manifest V3 Add-on
By:
FlyteSoft
Daily users:
21 1
Version:
2.0.6 Last updated: 2026-01-17
Version code:
6123651
Creation date:
2025-12-02
Risk:
Moderate risk impact Moderate risk likelihood
Permissions:
Content scripts matches:
  • extensionpay.com
Size:
3.24MB
Email:
fl*****@gmail.com
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-06-04
Compare stats and ranking:

Other platforms

Chrome
2! Authenticator (v2.0.6)
10,000 3.93 (14)

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
FlyteSoft
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/2-authenticator/
Email:
fl*****@gmail.com
Website:
https://www.flytesoft.org/2-authenticator

Is 2! Authenticator Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

2! Authenticator requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • High Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
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  • Low ******* ****** ** *** ********* ******** ****************
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

2! Authenticator is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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