Drag and drop an existing .CPK file into the window or use the "Open" menu to view its contents.

CRI Packed File Maker (CPFM) serves as the primary gateway for interacting with files (.CPK). While these archives are commonly found in Japanese video games and titles like Pro Evolution Soccer (PES) , they are used across many engines that utilize CRI’s proprietary compression algorithms to store large volumes of data efficiently.

Unlike some basic extractors, CPFM can re-bundle modified files back into a .CPK format, which is a requirement for many game mods to function.

The software typically requires no formal installation; you can simply unpack it and run the executable directly. Is it Free to Download?