Importantly, The internal structure, encryption keys, and executable formats are entirely different between the PS3 and PS4.
The primary reason conversion fails comes down to processing power and hardware design. ps3 to ps4 pkg converter
[Original Game Source/ISO] │ ▼ [Asset Extraction (Textures, Audio, Video)] │ ▼ [Re-compiling/Injecting into a PS4 Emulator Shell (e.g., PS2emu)] │ ▼ [Publishing via PS4 Publishing Tools (gp4 project file)] │ ▼ [Final Playable PS4 FPKG] In almost all cases, they fall into one
If direct conversion is impossible, what are those downloadable tools found on forums and video sharing sites? In almost all cases, they fall into one of three dangerous categories: Fake Interfaces and Shovelware Malware and Phishing Hazards : The PS3 uses
The short answer is
Many of these applications are simple visual scripts. They feature a progress bar that moves from 0% to 100% to make it look like a conversion is happening. In reality, the tool does nothing, or it spits out a corrupted, useless file. Malware and Phishing Hazards
: The PS3 uses a unique Cell Broadband Engine (PowerPC-based), while the PS4 uses an x86-64 Jaguar CPU .