Leetcode Enhancer is a lightweight browser extension designed for Firefox that significantly improves the user experience on the Leetcode platform. It allows users to customize their interface by hiding unnecessary visual elements, which helps maintain focus on problem-solving tasks. This extension is particularly useful for programmers looking to streamline their coding practice sessions. Users can access a convenient popup menu to adjust their preferences and tailor the interface to their needs.

Key features include the ability to hide locked problems, manage the visibility of table columns, highlight solved problems, and hide difficulty counts. By eliminating distractions, Leetcode Enhancer empowers users to concentrate on solving coding challenges, making the learning process more effective and enjoyable. This subscription-based tool is compatible with Firefox version 109 and above, ensuring a modern and efficient browsing experience.