S-Trust Passwort-Manager is a subscription-based security tool designed for Firefox that simplifies password management and document storage. It allows users to easily search and retrieve saved passwords directly from their browser, facilitating automatic login to websites. The extension supports adding new passwords and editing existing entries, while the auto-save function generates new password entries during website registrations. Users can customize logout times and utilize two-factor authentication for enhanced security.

The application is not limited to password management; it also allows for secure document storage and sharing. Users can import important documents via photo or scan, ensuring easy access across devices. The service includes features like emergency access for trusted individuals, a mail-in mailbox for automatic document storage, and team collaboration options. A free basic version is available, making S-Trust a versatile tool for those seeking to manage their digital security effectively.