SEO File Renamer

This is a super simple plugin for uploaded file name sanitization.

Essentially, it’s to make your uploaded filenames easier for search engines to read, hence better for SEO, nicer to look at in the folder (who cares?), and should also help avoid any issues with naming conventions.
You might be thinking that WordPress does a good enough job at renaming, but it still allows underscores and other symbols and characters that maybe don’t belong in a filename.

e.g.
This: Æ, %20 æ Ï, Ö, Ü, Ÿ-boyz_%20__=++&, ©, §)+Ţ ţ++‰+ath-club-ÆØÅæøå–.pdf
Becomes: AE-20-ae-I-O-U-Y-boyz-20-T-tath-club-AEOAaeoa.pdf
This: —-___——]- hair space U+200A.jpg
becomes: hair-space-U200A.jpg

The Original idea for this was done by Vaughn Royko and so we thought we would turn this int…