1. Mp3tag
Universal audio tag editor and catalog metadata utility
Mp3tag is a desktop application designed to batch edit metadata across dozens of audio formats including MP3, FLAC, WAV, and MP4. It allows users to rename files based on tag information, replace characters, import metadata from online databases like Discogs and MusicBrainz, and generate playlists. It is widely used by audio engineers, collectors, and independent artists.
Pros
- Broad support for audio formats and custom tag fields
- Fast batch processing and automated regex-based renaming
- Reliable integration with public databases for metadata lookups
Cons
- Desktop-only without native cloud collaboration features
- Interface feels functional rather than modern
