AOPS Submit is a free Chrome add-on designed for users of artofproblemsolving.com, enabling efficient submission of solutions and tracking of progress on various math tests, including AMC, AIME, USA(J)MO, and IMO. This tool is particularly useful for students preparing for these competitive exams, as it streamlines the process of submitting answers and provides immediate feedback for answer-based problems directly within the browser.

For proof-based problems, users can enhance their experience by integrating their OpenAI API key, which allows for automated grading of submissions. Overall, AOPS Submit is a valuable resource for math enthusiasts looking to optimize their test preparation and monitor their performance across different assessments.