The following tools are the most reputable for converting standard ISO files into compressed ZSO images: Best For: Power users and batch processing.

This manager integrates MaxCSO to handle mass conversions, making it easier for users who don't want to use command-line interfaces manually. Comparison: ISO vs. CSO vs. ZSO

A high-performance command-line tool that supports CSO, ZSO, and other formats. It is highly regarded for its precision and speed.

Open a terminal and use the command: maxcso --block=2048 --format=zso "YourGame.iso" . ZISO Compressor (by Danixu)