09.09.2020 05:54
I've been doing a little of that to organize gallery pictures more to my taste. I think while you're working on it you can even go to another folder and when you come back they'll still be in the order you placed them in.
But if you shut things down the images will revert to their normal order.
What I do - though I don't do 500 images at once - is to rename the files after I've got them where I want them - that is, number them up front of the filename now that they are sitting there like I want them, *before* closing down.
(Answer to 2 year old question...)