CF Analytics
Analyse Codeforces profiles
Submit solutions and track progress on aops.com tests.
Review user movement over the last 30 days.
Track rating movement over time to see whether quality signals remain stable.
Compare 1-day, 7-day, and 30-day net growth and growth rate.
Review publication date, version, supported languages, and crawl timestamps.
Review the store description, core capabilities, and common use cases.
Submit solutions and track progress on artofproblemsolving.com tests. This includes AMC, AIME, USA(J)MO, IMO, etc.
Answer-based problems grade in browser. Proof-based problems require inputting your OpenAI API key to grade.
Inspect the latest comments and rating distribution.
Review related products from the Chrome Web Store detail page.
Analyse Codeforces profiles
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
Displays a rating-based problem-solving heatmap on Codeforces profile pages.
Analyse AtCoder profiles
Rating predictor for Codeforces
Parses competitive programming problems and sends them to various tools like CP Editor and CPH.