In the world of Sega Dreamcast preservation and homebrew, the term refers to a critical process: converting high-quality, 1:1 GD-ROM rips into a format that can be burned onto standard CD-Rs or played on specific emulators without data loss or corruption. What is GDI2CDI?
: For emulation on PC or Android, it is highly recommended to convert GDI files to CHD using chdman instead of CDI. CHD provides lossless compression without the data loss or quality degradation typical of CDI conversions. gdi2cdi verified