JoyReactor Visitor Extended is a free Firefox add-on designed to improve user interaction with the JoyReactor platform. It offers features such as tracking viewed posts, allowing users to manage their feed by marking posts as semi-transparent, collapsed, or removed according to their preferences. Additionally, it displays the date and time when each post was viewed, enhancing the user's ability to keep track of interactions.

The add-on also includes functionalities for restoring posts blocked in certain regions, as well as a one-click download feature for all media content on a page. Users can color-code and star their subscribed tags, and enjoy a streamlined experience with keyboard shortcuts reminiscent of the old design. Moreover, it optimizes the display of GIFs and videos to fit the screen perfectly, ensuring a seamless browsing experience.