: v1.4 specifically supports conversion between ISO, CSO, DAX, and sometimes JJS formats. Technical Specifications
While PSP ISO Compressor is excellent for its simplicity, the landscape of PSP compression tools has evolved since 2010. If you are looking for modern options, consider these alternatives: psp iso compressor v1 4 zip
To get the most out of the compressor, it helps to understand the differences between the available output formats: Description Uncompressed, raw UMD disc image. Maximum compatibility; fastest loading times; zero stutter. Largest file size. CSO Compressed ISO; standard format for custom firmware. raw UMD disc image. Maximum compatibility