Weemple Video Station Validator is an easy-to-use desktop app, to seamlessly validate your movie metadata associations on Synology Video Station.
It compare your movies title and year metadata with the video file name, to identify potential wrong associations.
The information are collected by using browser automation technologies. The results are stored on files on your PC, that can be used to resume the procedure for a second time.
The app don't modify anything on your NAS, it works read-only.