Audio tags can be viewed and modified in tone, a cross-platform metadata editor supporting MP3, M4B, and FLAC.
TagEditor
A tag editor with Qt GUI and command-line interface supporting MP4/M4A/AAC (iTunes), ID3, Vorbis, Opus, FLAC and Matroska.

About TagEditor
TagEditor is a tag editor with a Qt graphical interface and a command-line interface. The GitHub project is published under GPL-2.0. It is intended for editing audio tags across several formats.
Pricing is not clearly stated.
Key features
- MP4/M4A/AAC (iTunes) tag support
- ID3 tag support
- Vorbis, Opus and FLAC tag support
- Matroska tag support
TagEditor at a glance
- Category
- Music & Audio › Music Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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