: Legitimate compression exists in the form of Repacks or Rips . Trusted repackers can sometimes reduce a game’s size by 20–50% by removing "padding" data or using better archival formats (like .pkg or .iso instead of folder formats).
: Tools like 7zip or WinRAR can compress game folders, but these must usually be extracted back to their full size on the internal HDD to be playable, as the PS3 lacks the resources to decompress large files at runtime. ps3 games highly compressed work
The PS3 cannot read 7z/RAR files. You must extract to ISO or JB folder format, then transfer via FTP or external USB (if using HEN/CFW). Compression doesn't reduce install size on the console. : Legitimate compression exists in the form of