CPH Submit is a Firefox add-on designed to streamline the submission process for competitive programmers using the Codeforces platform. This tool automates the submission process, allowing users to focus on coding without the hassle of manual submissions. It features auto window focus, ensuring that the user's attention remains on the task at hand, thereby enhancing productivity during competitive events.

The add-on operates on a subscription-based model and falls under the personalization category, catering specifically to the needs of competitive programmers. Users can easily integrate it with their existing workflow on Codeforces, making it an invaluable tool for those looking to optimize their coding sessions. For detailed information, users can refer to the official GitHub page.