Puddletag is solution I'm using on Ubuntu. Puddletag generally looking is very similar to mp3tag available on windows platform.
- Trimming can be done using function Trim Whitespace (I don’t use this
function personally since i do rename all files using my specific
- Folders can be added recursively
- GUI available
- Free of charge and open-source works on Ubuntu, Fedora, can be
downloaded as deb or source code, and included in Ubuntu
Beside requested functions there are few other I consider very useful such as auto numbering, remove duplicate values, remove all except chosen value, update fields from tag, sort values, import and export artwork, scripting functions (RegEx) and one I like most tagging audio files using web based Tag Sources like MusicBrainz, Discogs, Amazon, FreeDB, AcoustID. Its even possible to use Mp3tag’s Tag Sources but that one I never tested.