KeepCode is a free, open-source browser extension designed for Chrome that simplifies the process of tracking your LeetCode problem-solving progress. By automating the recording of solved problems, it allows users to concentrate on enhancing their coding skills rather than managing their activity logs. The extension captures essential details such as problem titles, difficulty levels, tags, and timestamps, making it easier to review and analyze your coding journey.

With features like automatic progress tracking, users can filter their solved problems by tags or difficulty to tailor their review sessions. KeepCode also provides a quick overview of recent activity directly from a popup, along with a comprehensive history accessible through the options page. Emphasizing privacy, all data remains local, ensuring a secure experience without the need for accounts or external servers.