I've just recently discovered Stashapp, which is a locally-hosted porn organizer/viewer. It's kind of like Plex for porn. I'm pretty impressed so far. Once you scan your files, you can have import Scene/Studio/Performer metadata.
I'm running it in a docker container on a linux machine, but I believe it's also available for win/mac etc. It's totally free...
Be sure to read the docs before you start trying to auto-match/tag your files. I thought I'd try to "wing it" and ended up having to start over...