It can rename files based on the tag information, replace characters or words in tags and filenames, import/export tag information, create playlists and more.

Mp3tag supports online database lookups from, e.g., Amazon, discogs, or freedb, allowing you to automatically gather proper tags and cover art for your music library.

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)

Whats New:
[2015-07-11] FIX: fixed scaling issue that appeared on some systems where toolbar icons were not rendered correctly (since v2.70).
[2015-07-09] FIX: after selecting multiple sequences of files auto saving affected only the last block.
[2015-07-08] CHG: renaming files marked as read-only does not require removing of read-only flag anymore.