Green Code is a powerful Chrome add-on designed to improve your coding practice on LeetCode. This free tool integrates seamlessly into your browser, providing an array of features aimed at optimizing your interview preparation. With its intelligent detection capabilities, it automatically retrieves essential information such as Problem ID, Title, and Difficulty as soon as you access a problem page, saving you time and effort.

In addition to its auto-detection, Green Code offers a minimalist on-page HUD with a draggable timer for multitasking efficiency. The spaced repetition feature uses a scientific approach to scheduling reviews based on your confidence levels, while advanced analytics include interactive heatmaps and hourly activity charts to track progress. Custom statuses allow for nuanced tracking beyond simple completion, and with a focus on privacy, all data remains securely stored locally.