| Method | Resulting Size | Playability | |--------|---------------|--------------| | (PCSX2 compatible) | ~60–80% of original ISO | Full | | Delete dummy files (DVD fillers) | Save 100–300MB | Full (if done correctly) | | Convert FMVs to low-bitrate | Save 200–500MB | Reduced quality | | Use CHD format (PCSX2 nightly) | Often smaller than CSO | Full | | Strip unused languages | Save 50–300MB | Full |
Instead of searching for risky, ultra-compressed files, consider these more reliable methods: 1. Use the .CHD Format CHD (Compressed Hunks of Data) format is the gold standard for emulation. It shrinks the file size without deleting any game content. ps2 iso highly compressed under 100mb patched