Your ROMs, on the shelf.
Choose the folder that holds your ROMs, or any empty folder to browse the full game lists. ROM Shelf keeps its database in a visible “ROM Shelf Data” folder inside it, so your favorites, ratings and batches travel with the folder. Everything is read on this computer. Then browse, remove duplicates, and build batches like "Favorite PS2" or "Perfect for Miyoo Mini" to copy out with artwork.
Works in Chrome or Edge on a computer. Your files stay where they are.