A single folder full of CHD files is much cleaner than dealing with folders containing individual ISO files. Conclusion
Emulators like PPSSPP (v1.17+) support CHD directly, offering faster loading and better sector alignment than some compressed counterparts. "Extra Quality" and Zstandard (zstd) psp chd internet archive extra quality
The Ultimate Guide to PSP CHD Files on Internet Archive: Getting Extra Quality Compression A single folder full of CHD files is
“If a company abandons its hardware and software, fans will fill the gap,” says Kyle Orland , gaming historian. “The CHD movement is the digital equivalent of a public library’s rare book room — imperfect, legally ambiguous, but culturally vital.” fans will fill the gap
for %%i in (*.iso) do chdman createcd -i "%%i" -o "%%~ni.chd" pause Use code with caution. Save the text file as convert.bat .