This process is lossless. You are not losing any game data; you are simply packing it more efficiently.
For the Sega Saturn, a console known for its complex double-hit CD format and massive game library, CHD files serve as a single-file container that compresses the game data while maintaining perfect accuracy. sega saturn chd roms top
You cannot just rename a file. You need the official chdman utility (part of MAME). This process is lossless
Here are the top 10 Sega Saturn CHD ROMs, based on popularity and critical acclaim: You cannot just rename a file
The Sega Saturn has a devoted retro scene, and CHD (Compressed Hunks of Data) images are a common format for preserving and running disc-based Saturn games in emulators and on hardware that supports disc image loading. Below is a concise write-up covering top Saturn CHD ROMs, why they’re notable, and practical notes on usage.