2! Authenticator Chrome extension logo

2! Authenticator

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

4.015 reviews~10K+ usersBy flytesoft.org
Freemium
Updated 2026-09-02

2! Authenticator screenshots

2! Authenticator Chrome extension screenshot 1
Screenshots from the Chrome Web Store listing for 2! Authenticator.

Overview

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. ...

Pricing

2! Authenticator is freemium. The free tier is usable for evaluation; compare paid tiers before committing a team.

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Frequently asked questions

Is 2! Authenticator free?

2! Authenticator is free to install with optional paid plans that unlock extra features.

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