Auto Auth is a free browser extension designed to streamline the process of Basic HTTP Authentication. This tool allows users to save, edit, delete, import, and export their credentials while ensuring browser synchronization. It features options to ignore specific hosts and proxy authorization, making it versatile for various browsing needs.

In addition to its primary functions, Auto Auth provides notifications for invalid credentials and toolbar status indicators for enabled hosts. Users can also customize their experience with auto dark/light mode and theme switcher capabilities, as well as custom login screen background images. The extension supports migration from other tools and is compatible with Firefox for Android, enhancing its usability across platforms.