From a technical standpoint, . It is an open-source tool with its code available for public audit. However, users should always ensure they are downloading it from reputable sources (like the original GitHub releases) to avoid malware-infected versions hosted on third-party sites.
Here is everything you need to know about what does, how to use it, and its essential role in the PS Vita community. What is Pkg2zip.exe? Pkg2zip.exe