When you generate a report, we store the minimum needed to display it again: your report ID, the source you selected (e.g., Lichess username or uploaded PGN), and the generated report output.We also store anonymous event logs (e.g., report viewed, upgrade reason selection) tied to the report ID.
We use cookies and browser storage for basic site functionality: keeping you logged in, security, rate limiting and abuse prevention, and remembering your preferences. Our servers collect your IP address and user agent in standard access logs for security, debugging, and abuse prevention. This data is retained for a limited time.
Payments are processed by Stripe. We do not store your card information on our servers.
If you have privacy questions, email us at blackboxchess@gmail.com.