Kid3
Kid3 is an open-source audio tag editor for macOS that helps you view, edit, convert, and organize metadata in many music file formats.
What is Kid3?
Kid3 is an audio tag editor for macOS maintained in the KDE ecosystem and published by K Desktop Environment e.V. It is designed for editing metadata in music files, especially ID3 tags in MP3s, but it also supports many other audio formats such as FLAC, Ogg/Vorbis, Opus, AAC/MP4, WAV, AIFF, and more. Typical uses include correcting album, artist, track, cover, and lyric information; renaming files from tags; and generating tags from filenames. The app can import album data from online metadata sources such as MusicBrainz and Discogs, which makes it useful when cleaning large music libraries. KDE also provides macOS builds, so Mac users may encounter it as a standalone desktop app rather than a system component. It is generally a legitimate media-management utility, and any related files are usually user data, settings, or cache created by the app.
Key features
- Edit ID3v1.1, ID3v2.3, and ID3v2.4 tags in MP3 files
- Update metadata across many audio formats including FLAC, Ogg/Vorbis, Opus, MP4/AAC, WAV, and AIFF
- Generate tags from filenames and create filenames from existing tags
- Import album information from services such as MusicBrainz and Discogs
- Edit synchronized lyrics and work with LRC karaoke files
- Batch-edit tags for multiple files and folders at once
Review app leftovers with diCleaner
Inspect caches, support files, containers, and login items before cleaning.
Safety overview
Status: Safe
Kid3 is a legitimate open-source media utility from the KDE project. It is generally safe when obtained from the official KDE site, but it can modify music file metadata and rename files in bulk, so users should review changes before applying them to large libraries.
Recommendation: Keep it if you use it to manage music metadata or organize audio libraries on your Mac. If you do not use it, removing the app is usually reasonable, though you may want to keep any music files or exported metadata you still need.
Common paths
/Applications/Kid3.app
Cache paths
~/Library/Caches/org.kde.kid3
Support paths
~/Library/Application Support/Kid3
Preference paths
~/Library/Preferences/org.kde.kid3.plist
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