Sorry, I'm usually waaaay more informative than this. My head's just a bit fuzzy from searching for so long. I'm on Windows 10, that tool sounds cool. The last time I had a PSP was in the beginning of the m33 days, when Dark Alex was the god of the PSP CFW scene. Currently I have a Vita and running adrenaline. I remember a good amount but I've forgotten much more. Thanks for the heads up!
Edit: So I found the author's site yesterday and unfortunately, it can't handle my iso. I had tested it with GTA LCS as well and it made an eboot that PPSSPP could use and started extremely fast but showed up as corrupted data on the PSP. I think it's because the ISOs are too big. BTW, it took the 1.2gb LCS iso and shrunk it down to ~500mb-/+. Pretty cool but if it's showing up as corrupted then I'm gonna have to figure out something else. Thank you so much for the suggestion! Oh and Happy New Year