If you have an existing library of ISOs, you can batch convert them using a simple tool:
Enter the —a niche but rapidly growing segment of the emulation community. While CHD (Compressed Hunks of Data) was originally designed for arcade machines (MAME), the format has found a second life in PlayStation emulation. But what makes a ROM "exclusive" to the CHD format? And why are veteran emulator users abandoning ISO and even CSO for CHD? ps2 chd roms exclusive
As of 2024/2025, support is now widespread, but there is one major holdout. If you have an existing library of ISOs,
| Emulator / Device | CHD Support? | Notes | | :--- | :--- | :--- | | | ✅ Yes (Native) | The gold standard. Drag and drop. | | AetherSX2 (Android) | ✅ Yes | Works perfectly on Steam Deck/Odin. | | RetroArch (LRPS2) | ✅ Yes | Requires the core to be up to date. | | XBSX2 (Xbox) | ✅ Yes | Runs like a dream on Series S/X. | | Original PS2 Hardware (OPL) | ❌ No | OPL does not read CHD. You must use ISO or ZSO. | And why are veteran emulator users abandoning ISO