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Kid3GabTag
Free

Free and open source. Hosting, hardware and any external services are separate.

 Free

Free and open source under the GPL-3.0-or-later license.

Windows, macOS, Linux, Android Linux
  • Supports multiple audio tag formats
  • Can rename files using tag information
  • Edits tags across multiple files
  • Can fetch tag information from MusicBrainz
  • Tagging changes metadata rather than repairing the audio itself.
  • The README lists MP3 files as handled.
Downloadable app Downloadable app
Open source Open source
License not stated License: GPL-3.0-or-later
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.