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Kid3 vs Ex Falso: catalog facts
Kid3	Ex Falso
Free Free and open source. Hosting, hardware and any external services are separate.	Free Free and open source under GPL-2.0-or-later.
Windows, macOS, Linux, Android	Linux
Supports multiple audio tag formats Can rename files using tag information	Edits tags without requiring a music player Supports a broad range of audio formats
Tagging changes metadata rather than repairing the audio itself.	Linux package evidence is provided
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0-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
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 8, 2026

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