The secret to a massive, portable gaming collection isn't always finding pre-made mini files online. The most reliable and future-proof method is compressing your own PS2 game files, turning them into formats that emulators can read directly.
A modern compression format natively supported by popular emulators like PCSX2 and AetherSX2. CHD compresses the file size significantly without removing game data, and the emulator can read it directly without extracting it first. ps2 highly compressed games free download portable