Kid3 - Efficient Audio Tagger

With Kid3 you can:

- Edit ID3v1.1 tags
- Edit all ID3v2.3 and ID3v2.4 frames
- Convert between ID3v1.1, ID3v2.3 and ID3v2.4 tags
- Edit tags in MP3, Ogg/Vorbis, Opus, DSF, FLAC, MPC, APE, MP4/AAC, MP2,
  Speex, TrueAudio, WavPack, WMA, WAV, AIFF files and tracker modules.
- Edit tags of multiple files, e.g. the artist, album, year and genre
  of all files of an album typically have the same values and can be
  set together.
- Generate tags from filenames
- Generate tags from the contents of tag fields
- Generate filenames from tags
- Rename directories from tags
- Generate playlist files
- Automatic case conversion and string translation
- Import and export album data
- Import from gnudb.org, MusicBrainz, Discogs, Amazon

Kid3 uses Qt and runs under GNU/Linux (KDE or only Qt) and Windows.