>>56383737It's not that hard
-A long sequence of numbers is an image that was downloaded from 4chan without using the options that preserve filename
-A shorter sequence of numbers, plus uppercase and lowercase characters mostly but not always starting with E or F is an image downloaded from Xitter
-A really long sequence of numbers with a few underscores and ending with _o or _n was downloaded from desktop Facebook
-If it contains _p0_ it comes from Pixiv
-Not sure where _[chuuba] drawn by [artist] comes from
That's all the filenames you can quickly tell origin by
