Mp3tag allows to edit metadata of audio formats where it supports ID3v1, ID3v2.3, ID3v2.4, iTunes MP4, WMA, Vorbis Comments and APE Tags
Batch Tag Editing Write ID3v1.1, ID3v2.3, ID3v2.4, MP4, WMA, APEv2 Tags and Vorbis Comments to multiple files at once. Support for Cover Art Download and add album covers to your files and make your library even more shiny. Import from Amazon, discogs, freedb, MusicBrainz Save typing and...
You can add cover art, save existing cover art to disc or delete the cover art using the icons on the right. Note: You can add a new tag as above to see how many covers are in your tags. Follow a similar procedure to the above, but name the column "Cover Art" or something ...