Puddletag is a graphical audio file metadata editor ("tagger") for Unix-like operating systems.

It is free and open-source software subject to the terms of the GNU General Public License (GPL) version 3.

[6] The website counted several thousand downloads for each release before the project finally left the platform in early 2016[7] and was included in the package sources of most major Linux distributions.

Puddletag is written in Python and uses Qt 5 (through PyQt) for its graphical user interface.

Puddletag includes support for the following audio formats: AAC, MP4 (mp4/m4a/m4b/iTunes compatible), OGG, OptimFROG OFR, OFS, SPX, TAK, TTA, WMA, WV.