The PKG Ripper tool (created by enriquesomolinos) is designed to significantly reduce the size of PS4 PKG Games by removing some of the unnecessary data. Unfortunately, it doesn’t magically detect which files to remove, so this will require a patch file. These patches contains the information to remove contents from your PS4 PKGs. The patch files can be found here.
Once you get your hands on a patch file, you can reduce the file size significantly e.g. F1 2020 drops more than 20GB using PKG Ripper. This tool also works on PKG update files.
Download – PS4
You can download this amazing tool here