Convert CPK files online for free
The converter easily converts your CPK file to various formats - free and online. No WinRAR or extra software needed.
The converter also works in reverse, so you can convert other Game formats to CPK with high quality output.
A .CPK file is most commonly a CRI Middleware Package, a proprietary archive format developed by CRI Middleware. These files function as specialized containers used extensively in the video game industry (powering titles from SEGA, Bandai Namco, and others) to bundle thousands of game assets - such as background music, voice lines, cutscenes, and textures - into a single compressed file.
For gamers and modders, the .CPK format presents a significant barrier: it is a "black box" that cannot be opened with standard archivers like WinZip or 7-Zip. Because the file often contains proprietary audio streams (like ADX or HCA) and encoded video, users cannot simply double-click to access the content. To modify game data or listen to the soundtrack, the file must first be unpacked or "converted" into a readable folder structure. Once extracted, the internal assets often require further conversion to standard formats like MP3 for audio, PNG for textures, or MP4 for video to be usable outside the game engine.
Use Convert.Guru to open and convert your CPK file.
Users also converted RAR, FTEX, PNG, MP3, ZIP, BOOT-ROOT, CPK COPY, FIFAPROJECT, TXT, XFBIN, BIN, FILM_CPK and FPKD files.
If you want to convert CPK file to PPM, PPK, ZIP, RAR, 7Z, TAR, GZ, BZ2, XZ, LZMA, CAB or ACE, you can use CRIWARE or similar software from the "Game Data Archive" category. In the File menu, look for Save As… or Export….
To convert XXE, 7Z, Z, PAK, LHA, DEB, UUE, TAR, LZH, ZIP, PKG or RAR files to CPK, try CRIWARE or another comparable tool in the "Game Data Archive" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our CPK converter.