I'm using Jellyfin too. I just hate all the extra junk tacked on to the name. They should just put that on the folder name so I only have one thing to fix.
I think I found it https://github.com/itchyny/mmvThis looks like it would be good for other files too. I'll check this out. Thanks!
Free and Open Source Software @beehaw.org Vertelleus @beehaw.org 3y ago Looking for a bulk episode renaming application for Linux
And you only have to wait 5 more years for to be considered to be released and delayed for 3 more!