PGN Studio
Merge, clean, filter and analyse PGN files. Validates every move with a real chess engine, strips clutter, removes duplicates, extracts FEN positions and exports PGN or CSV. Save collections to your account.
1. Load games
Drop .pgn files here (several are merged), or
2. Options
My collections
About PGN Studio
Games are parsed on our server with python-chess, so illegal or broken moves are reported instead of silently kept. Files are processed in memory and not stored unless you save them to a collection (up to 3 MB and 5,000 games per run).
New to this? Read the full guide to the pgn studio.
More free chess tools
- Tournament Manager – Swiss and round-robin pairings, live standings, crosstable and a shareable results page.
- Rating Toolkit – Elo rating change, performance rating, score planner and a saved rating history.
- Chess Clock – Multi-stage time controls, Fischer, Bronstein, delay and hourglass. Works offline.
- Diagram Studio – Build positions, add arrows and highlights, then export PNG or share a link.