PGN Sanitizer

Clean, normalize, and filter raw chess datasets for engine analysis.

Cleaning Options

Remove Comments { ... } Remove Variations ( ... ) Remove NAGs ($1, $?, $!) Normalize Headers (7-Tag Roster)

Filters

Min. Rating (Both Players)

Min. Move Count

Drag & Drop PGN File

or click to browse (.pgn, .txt)

Ready to process.

Games: 0 Filtered Out: 0 Time: 0ms