Mp3tag supports the following audio formats:

- Advanced Audio Coding (aac)
- Free Lossless Audio Codec (flac)
- Monkey's Audio (ape)
- Mpeg Layer 3 (mp3)
- MPEG-4 (mp4 / m4a / m4b / iTunes compatible)
- Musepack (mpc)
- Ogg Vorbis (ogg)
- OptimFROG (ofr)
- OptimFROG DualStream (ofs)
- Speex (spx)
- Tom's Audio Kompressor (tak)
- True Audio (tta)
- Windows Media Audio (wma)
- WavPack (wv)

Main features:

- Write ID3v1.1-, ID3v2-, APEv2-Tags and Vorbis Comments to multiple files at once
- Full Unicode support
- Support for embedded cover art
- Automatically create playlists
- Recursive subfolders support
- Remove parts or the entire tag of multiple files
- Rename files based on the tag information
- Import tags from filenames
- Format tags and filenames
- Replace characters or words from tags and filenames
- Regular Expressions
- Export tag information to user-defined formats (like html, rtf, csv, xml)
- Import tag information from online databases like freedb or Amazon (also by text-search)
- Import tag information from local freedb databases
- Support for ID3v2.3 (ISO-8859-1 and UTF-16) and ID3v2.4 with UTF-8

Total Commander plugin

anytag.wlx is a lister plugin for Total Commander which displays metadata of audio files (for Total Commander >= version 6.50)
It supports the following audio formats:

- AAC - Advanced Audio Coding
- APE - Monkey's Audio
- FLAC - Free Lossless Audio Codec
- MP3 - MPEG Audio Layer 3
- MP4 - MPEG-4
- M4A - MPEG-4
- M4B - MPEG-4
- MPC - Musepack
- OFR - OptimFROG
- OFS - OptimFROG DualStream
- OGG - Ogg Vorbis
- SPX - Speex
- TTA - True Audio
- WMA - Windows Media Audio
- WV - WavPack