Auto 2FA is a Firefox extension designed to enhance security through two-factor authentication (2FA) using Duo Mobile. This subscription-based tool simplifies the login process by automatically logging users in via Duo Mobile, making it easier to manage access across multiple devices. Users can customize their security preferences, ensuring a tailored experience that meets their specific needs.

Setting up Auto 2FA is straightforward, as it provides clear instructions for generating a Duo activation QR code that the extension will automatically scan and store on your device. While it is designed with modern security practices in mind, users are advised to adhere to best security practices. Detailed documentation and technical information can be found on its GitHub repository, ensuring transparency and user control.