LeetCode Stopwatch is a Chrome extension that enhances the LeetCode website by replacing the stopwatch on the toolbar of the problem page. This free extension offers convenient features to help users manage their time effectively while practicing coding problems.

With LeetCode Stopwatch, users can easily start and stop the stopwatch, ensuring precise time tracking during problem-solving sessions. Additionally, the extension automatically starts the stopwatch when there are 2 minutes remaining on a problem, aiding users in better time management. Moreover, the feature to restore an unstopped stopwatch for future visits to the same problem enhances user experience and continuity in practice.