Music

Tag Editor – tag editor with Qt GUI and command-line interface

Last Updated on February 26, 2026

Tag Editor is a tag editor offering both a Qt GUI and a command-line interface.

It supports MP4 (iTunes), ID3, Vorbis, Opus, FLAC and Matroska.

This is free and open source software.

Key Features

  • Supports a wide range of formats. It can read and write:
    • iTunes-style MP4/M4A tags (MP4-DASH is supported).
    • ID3v1 and ID3v2 tags:
      • conversion between ID3v1 and different versions of ID3v2 is possible.
      • mainly for use in MP3 files but can be added to any kind of file.
    • Vorbis, Opus and FLAC comments in Ogg streams:
      • cover art via “METADATA_BLOCK_PICTURE” is supported.
    • Vorbis comments and “METADATA_BLOCK_PICTURE” in raw FLAC streams.
    • Matroska/WebM tags and attachments.
  • Displays technical information such as the ID, format, language, bitrate, duration, size, timestamps, sampling frequency, FPS and other information of the tracks.

Website: github.com/Martchus/tageditor
Support:
Developer: Martchus
License: GNU General Public License v2.0

Tag editor in action
Click image for full size

Tag Editor is written in C++. Learn C++ with our recommended free books and free tutorials.


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Pinky-TaggerMass tagger which supports the MusicBrainz (PUID & TRM) service

Read our verdict in the software roundup.


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