Tag Editor spreadsheet allows to download, edit and clean up ID3 and MP4 tags by batches; rename multiple music files in auto or manual modes. Just drop audio files or folders to the app and manage artworks and all major tags using load from network, load from paths, copy, paste, find, replace, rename files and other functions or enter your own meaning for multiple tags in once. You can edit ID3 and MP4 tags for hundreds of MP3, WAV, AIFF, FLAC, MP4 and M4A (Apple lossless) files in one window, with full control over your changes. While opening audio files, Tag Editor can generate missing tags from filenames and artworks from local folders; search for tags in online databases using music files" fingerprints, remove extra spaces and characters in automatic mode. After than, you can see all changes and edit ID3 tags by batch through spreadsheet windows in manual mode. To find out more about how quickly and efficiently tidy entire music collection on MAC download free trial version of Tag Editor for MAC OS X from amvidia.com/tag-editor or purchase full version of "Tag Editor" on the MAC App Store.
Source: http://amvidia.com/tag-editor