SpoPlus is a browser extension designed for Firefox that allows users to personalize their Spotify experience. With features like Focus Mode, users can revert to an earlier interface, while the Element Visibility Control lets them hide header buttons for a cleaner look. The extension also enhances navigation with a larger Navbar, maintains a static Aside Menu width, and provides options to change album styling and disable the 'Now Playing' view.

The customization options are extensive, offering various themes and fonts to suit individual tastes. Users can transform Spotify’s aesthetic with square-shaped designs and have the option to block images and videos to save bandwidth. Recent updates have improved functionality and fixed several issues, enhancing the overall user experience.