PBP files can be compressed during creation. You can often save 30–50% of storage space compared to raw ISOs without losing any in-game quality.
If you are looking to optimize your library, the format is the gold standard. Here is everything you need to know about why these files matter and how they revolutionize retro gaming. What is a PBP File? ps1 pbp roms archive
The is the ultimate way to carry the entire 32-bit era in your pocket without cluttering your storage or dealing with the headache of multi-disc swaps. PBP files can be compressed during creation