hdiutil makehybrid -iso -joliet -o Installer.iso Expanded/ This method works for macOS High Sierra and older. For newer macOS versions, use createinstallmedia instead. Generic PKG files (like from PS4 dumps) contain encrypted files. Conversion is extremely complex and often requires decryption keys unique to your console.

pkg2zip SuperGame.pkg extracted\ cd extracted # Create disc layout: mkdir PS3_GAME move USRDIR PS3_GAME\ echo "APP_VER=01.00" > PS3_GAME/PS3_DISC.SFB # Build ISO: ps3-disc-builder PS3_GAME SuperGame.iso Mount the ISO in RPCS3 via Boot > Boot Game > select ISO.

pkgutil --expand Full.pkg Expanded/ or

Convert SuperGame.pkg to SuperGame.iso

pkg-extract yourfile.pkg output_folder/ A PS3 disc (ISO) has a specific layout:

Before attempting any conversion, ask yourself: “Do I really need an ISO?” Most modern emulators and tools have moved past disc images to more efficient formats like PKG, folder dumps, or CHD.