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Kid3 vs puddletag: catalog facts
Kid3	puddletag
Free Free and open source. Hosting, hardware and any external services are separate.	Free Free and open source.
Windows, macOS, Linux, Android	Linux
Supports multiple audio tag formats Can rename files using tag information	Spreadsheet view shows all tags for many files at once Tag-from-filename and rename-from-tag patterns
Tagging changes metadata rather than repairing the audio itself.	Built primarily for Linux Lacks some features found in Mp3tag
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account 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 September 24, 2026

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