For the best balance of size and performance, use these formats: General Emulation Lossless; widely supported by PCSX2 and RetroArch. CSO Disk Space
Not all games compress equally. Games filled with compiled code, repeating textures, or empty padding data shrink drastically. Games packed with pre-rendered, high-definition video files do not compress much. ps2 iso highly compressed high quality top
High-quality compression strips away the unnecessary bulk without ruining the core gameplay experience. Dummy Data Stripping For the best balance of size and performance,
To convert your files, use the official chdman tool, which comes bundled with MAME or can be downloaded standalone. : Get the MAME tools (which includes chdman
: Get the MAME tools (which includes chdman ) or a user-friendly GUI version like NamDhc . Convert to CHD : Place your .iso files in the same folder as chdman.exe . Use a batch command or the GUI to "Create CHD from ISO".
Be careful when searching. Some "highly compressed" files are meaning the uploader removed music, textures, or cutscenes to make the file smaller. If you want the High Quality experience, look for "Full ISO" or "Untouched" versions that have simply been zipped tightly, rather than gutted. Safety and Legality