To comprehend the conversion, one must first understand the native languages of the PS3. An ISO (or its more common folder-based equivalent, JB Folder) is a direct, bit-for-bit copy of a Blu-ray disc. It contains encrypted data, a specific file hierarchy (USRDIR, PS3_GAME, etc.), and is designed to be read by the console’s optical drive. However, running an ISO on a hacked PS3 often requires a compatible loader (like multiman or WebMAN MOD) that can mount the image as a virtual disc, mimicking the behavior of a physical Blu-ray.
A PKG (Package), on the other hand, is the native installation format for the PS3’s hard drive. Originally designed for PlayStation Network (PSN) digital titles and game updates, a PKG installs directly to the console’s internal storage, appearing on the XMB (XrossMediaBar) as a standalone icon. No disc mounting, no background emulation—just a clean launch. A repack refers to a custom PKG that takes a retail disc game and restructures it to behave like a digital PSN title.
You need the raw game files, not the encrypted ISO. convert ps3 game iso to pkg repack
Alternatively, you can copy the game from disc directly to a USB drive using multiman (File mode → PS3 Root → dev_usb), but extracting on PC is faster and gives you access to log files.
One of the best reasons to repack is creating a "super PKG" that includes patch 1.09, all DLC, and the base game. This requires extracting the official PKG updates using PkgView (by aldostools) then merging the files manually. To comprehend the conversion, one must first understand
Warning: Some games (Call of Duty, Rockstar titles) have anticheat or anti-merging hash checks. In those cases, install updates and DLC separately.
A "repack" in the PS3 scene is not an official Sony PKG. Instead, it is a custom-created package that includes: Alternatively, you can copy the game from disc
When you convert an ISO to a PKG, you are essentially unpacking the disc, removing the Blu-ray encryption, re-packaging it into Sony’s installation format, and frequently adding a _DGX or _SPRX patch to bypass the disc check.
As of the mid-2020s, the conversion process has become semi-automated. Tools like PS3 Game Converter (by aldostools) and RPCS3’s built-in PKG creation scripts have simplified the workflow. Moreover, with the rise of PS3 emulation on PC (RPCS3), PKG repacks have become the preferred format because they install directly into the emulator’s virtual hard drive, bypassing the need for disc mounting on the host PC.
The community has also seen the emergence of "USB PKGs"—packages designed to run from an external FAT32 drive, circumventing the PS3’s internal HDD space limits for large games like Gran Turismo 6 or The Last of Us.