Authenticator is a browser extension designed for Firefox that provides 2-Step Verification (2FA) capabilities by generating Time-based One-Time Password (TOTP) codes directly in your browser. This open-source tool is compatible with multiple platforms, including Chrome and Edge, making it a versatile choice for enhancing online security. Users can easily add accounts by scanning QR codes or entering secret keys manually, streamlining the setup process for added convenience.

The extension prioritizes data security by storing codes locally within the browser, ensuring they are not transmitted to external servers. Users are encouraged to encrypt their codes with a password for added protection and can back up their secrets to a file or cloud services like Google Drive or Dropbox. While the convenience of a browser-based authenticator is clear, users should consider the potential risks of device compromise. Overall, Authenticator stands out as a reliable tool for those seeking to bolster their account security.