Only the current GitHub Pages deployment and the latest published release are supported.

Do not publish vulnerability details in an issue, discussion, or pull request. Use GitHub private vulnerability reporting to contact the maintainer privately.

This is a static client-side application with no backend and no external dependencies. Imported JSON is parsed locally, limited to 1 MiB, and validated against the known card identifiers before being stored. The application contains no analytics, trackers, external scripts, or runtime network requests. Its Content Security Policy blocks application scripts from opening network connections, and its referrer policy prevents the application URL from being sent when following external links.