Directly converting a PS3 game into a native PS4 PKG (package) file is not technically possible
pkg_extract.exe game.pkg output_folder/
Because there is high demand for this, the internet is full of fake software. ps3 to ps4 pkg converter
Conversion Tools
PlayStation Plus Premium: Includes a Cloud Streaming catalog that allows you to stream PS3 games directly to your PS4. Directly converting a PS3 game into a native
The idea of a "PS3 to PS4 PKG converter" is a popular topic in the homebrew community, but the reality is more complex than a simple file conversion. Because the PS3 uses a unique Cell architecture and the PS4 uses x86-64, a PS4 cannot natively "understand" or run PS3 game code, even if it is converted into a PKG format. 1. The "Converter" Myth vs. Reality Because there is high demand for this, the