PassBrow is a browser extension designed for enhanced security and privacy, primarily for Firefox, but also available on Chrome, Edge, and Opera. It provides users with the ability to protect their browser with a password, blocking access to browser data and settings. The extension offers a trial mode, allowing up to ten uses per day, while the paid version ensures unlimited access and additional features. Users can also generate strong alphanumeric passwords through the extension, enhancing overall security.

The paid version of PassBrow unlocks various functionalities such as auto-locking after inactivity, keyboard shortcuts for quick locking, and the ability to hide personal data. Notably, it allows users to block or redirect specific websites or domains effectively. With a straightforward setup process, users can easily manage their browser security, making PassBrow a valuable tool for anyone looking to enhance their online privacy.