2FAS Auth Browser Extension is a cross-browser plugin that integrates the 2FAS multi-factor authentication platform directly into the user’s web browsing workflow, helping streamline login flows by interfacing with web pages and 2FA token generation in a seamless way. Once installed in browsers like Chrome, Firefox, or others that support standard extension APIs, it can detect 2FA prompts on login forms and offer to fill or suggest one-time passwords generated by your 2FAS mobile clients or local vault, reducing friction and manual copy-paste steps. The extension communicates securely with companion mobile or desktop clients to fetch or synchronize token data, respecting encryption and privacy boundaries so that secrets are never exposed to the extension itself without user consent. It also lets users manage or view registered accounts, add new ones by scanning QR codes via companion apps, and handle token organization from within browser UI elements.

Features

  • Browser UI to assist with MFA 2FA workflows
  • Integration with companion clients for token fetching
  • QR code linking and management support
  • Automatic 2FA code suggestion on login forms
  • Lightweight extension with secure permissions
  • Open-source for inspection and extension

Project Samples

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Categories

Authentication

License

GNU General Public License version 3.0 (GPLv3)

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Additional Project Details

Programming Language

JavaScript

Related Categories

JavaScript Authentication Software

Registered

2026-01-13