Generally high for standard Master Disc patches; mixed results for video mode forcing.
This tool is intended for use with backups of games you already own. Jes.7z
If you are looking at the file, you are likely dealing with the Just Enough Sony (JES) tool, a popular utility used by the PlayStation 2 homebrew community to patch and prepare game ISOs for various loaders. Direct Answer Generally high for standard Master Disc patches; mixed
Works on most Windows environments, though it requires a 7z extractor like the 7-Zip utility. ⚠️ Important Considerations Jes.7z