SongKong
SongKong is an intelligent music tagger app designed to make the task of managing, organizing and cleaning up your digital music collection easy.As your digital music collection grows so can missing artist information or album cover art, duplicate tracks or inconsistent or unnamed songs. SongKong is designed to resolve all these issues so that you can play the music you love whenever you want.
SongKong is simple to use but very powerful and can automatically fix your music collection in a few clicks whilst offering all the tools and options you want to customize your experience. Unlike other solutions there is no need to work one album at a time, it is designed so it can be run on a music collection of any size totally unattended. It supports the MusicBrainz, Discogs, AcoustId and Bandcamp databases
It has many features including Automatic Album and Song Identification, File Renaming, Duplicate Deletion, Auto Edit, Scripting, Robust Backup and Report of all Changes
SongKong is not only available for desktop environments like MacOS and Windows, there is a also a remote web browser interface so it can run on Linux, Nas servers and Docker environments as well
See here for a comparison with other music tag editors
Just select a feature below to see more details
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  Automatic Song Matching
  High Quality Artwork
  Delete Duplicates
  Powerful Folder and File Renaming
  Consistent Rules
  Both Desktop and Remote Web User Interface
  Understands Classical
  Status Report - Free
  Manual Edit - Free
  Auto Edit
  Scripter
  Unique Naim Wav Metadata File Importer
  Also adds Bpm and Acoustic data
  Special Features for iTunes, Roon and MinimServer music players
  Monitor Watch Folder
  Persistent Undo
  Extensive Support
