MusicBrainz Picard

Windows

Linux

Python

PortableApps.com

Python-based music tagging software with CD lookup and AcoustID to effortlessly ID music.

Clean: Fix Your Mislabeled Song Information

TuneUp

Metadatics

Metadatics is a powerful and advanced audio metadata editor. It supports batch editing of most common audio file types including MP3, M4A, AIFF, WAV, FLAC, APE, OGG, WMA, and more.

Tagger supports editings album art, album art can extracted by dragging the image to a directory.

<p>The project seems to be no longer developed. Last version, 1.8, released in July 2014, can be still downloaded from GitHub.</p>

Media Tagger

Tagger is application that auto tags audio files. It also supports batch tag editing. Its features include* Auto Tagging * File Renaming * Tag Manipulation

Automatic Tag Editor

Android

Android Tablet

Do you remember times when you first decided to keep your music library more tidy? You found out that the only solution was to fill in manually all songs info, one by one.

KeepVid Music Tag Editor

KeepVid Music Tag Editor helps you to add or modify ID3 tags, album artworks for your music collection automatically with Gracenote Media Database, and removes duplicates in iTunes/music library.

Load tags from online music databases, paths, or iTunes automatically.

Handy spreadsheet for quick audio tagging on macOS.

Amvidia Tag Editor for Mac

Discover the newest way of editing tags and renaming music files through the handy spreadsheet.

Tag Editor

Windows Phone

The purpose for this application is the same as Mp3tag but a port for the Windows Phone platform.

MusicTagger

Enhance your Music Library experience by adding tags to your songs. Find your favourite songs later by searching for your tags directly in the Music app or using Smart Playlists.

Music Tag Editor

Music Tag Editor can help you to edit your Music Tag info easily and effectively,Batch edit all tags and batch rename with metadata, you can also use it to convert the text...

TidyTag Music Tag Editor is a handy tool for anyone looking to keep their music organized and to have information displayed about their audio files in a clear manner. 
The ID3 Tag Editor supports MP3, AIFF, AIF, M4A, M4R, FLAC, OGG, WAV, APE, ASF and WMA audio files. 
As for the metadata formats, it also support ID3V1.3, ID3V2.3, ID3V2.4, Ogg Vorbis Comment, APE, ASF, RIFF Tag and more. 
You can not only clear all tag information from audio file, but also add or edit missing and mislabeled music info like song title, album, artist, release year, genre, track number, cover, lyrics, and more in batch. Aside from inputting file information in the tag panel, it is possible as well to upload cover art and to add lyrics manually. 
The built-in media player allows you to listen to music while editing tags, with the basic options of any media player, like play, pause, stop, and volume. To have full control of your music library and audio files, Tidytag allows you to rename the audio files according to the tag information, and manage files by moving them to seperate folders according to their Album, Artist, Album Artist and Genre. When you are tired of duplicated audio files because they occupy much hard drive space of your computer, you can use Tidytag to remove duplicates mannually. Just scan the duplicates using different audio file attributes like title, artist, file size or release date, then decide which file should be kept in your music collection. 