No. Sony changed the encryption and structure. Each console generation needs a different tool.
A user-friendly Windows tool that allows for "drag-and-drop" extraction. It is highly reliable for retail and debug packages. Puyo Puyo’s PKG Tool: pkg extractor ps3 link
The most reputable forum for PlayStation homebrew. Links here are vetted by the community. pkg extractor ps3 link
If you are looking for a reliable tool to "make" this feature part of your workflow, these are the industry standards: pkg extractor ps3 link
Double-click PkgView.exe . If Windows SmartScreen warns you, click "More info" then "Run anyway" (the tool is safe but unsigned).