PKGView is a tool for extracting files from PS3 PKG. Tool is 100% legal it contains no code Sony. PKGView also has a graphical interface that simplifies the extraction of both individual files and the complete package.
PS3 PKGView v1.2 Extractor Homebrew Application Version 1.2 Changelog:
FIX: Still failing to extract large files.
FIX: Structure parsing issues.
FIX: Other extraction issues.
More descriptive extraction window.
Optimized extraction of retail pkg.
Now creates an extraction log.
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