i dont know if someone already made a post about this but here it goes:
before i say anything else, i'm not responsible if you try this and it turns out different or makes something worse. try it out on a small part first.
i'm fixing a dent on my truck and i was using Duplicolor paint stripper to speed it up. anyways i decided to spray some of that stuff on the black paint on the chrome around my windows. heres what i mean:
i waited less than a minute and wiped the paint off:
like i said, i'm not responsible if you mess something up. but it worked great for me. it also cleaned my chrome really good.