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Automatically detect and import your competitive-programming submissions into CPJournal. CPJournal Importer automatically detects competitive-programming submission results on supported Codeforces, AtCoder, CodeChef, LeetCode, and USACO pages and imports normalized progress into the user's private CPJournal account at dataol.net. When available, it verifies the logged-in contest-site identity before associating submissions with an account. It normalizes contest, problem, submission, verdict, timestamp, and detailed result data, and it also supports a user-initiated import from the extension popup. The extension does not upload cookies, passwords, session tokens, source code, raw HTML, or problem statements. It stores its CPJournal configuration, bearer token, installation identifier, queued normalized imports, and queued diagnostic events locally so failed deliveries can be retried. Diagnostic events are sent to CPJournal for troubleshooting and do not contain raw page content.
Aug 20, 2026
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Media assets
Screenshots and videos on the listing.
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Whether the listing includes at least one video.
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Declared language locales.
Developer website
Listing exposes a developer website URL.
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Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
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Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
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