ntag
Audio file tag editor
ntag is a free, open-source audio metadata editor for organizing music collections on Windows, macOS, and Linux. It supports MP3, MP4, M4A, M4B, FLAC, OGG, and WMA files with several industry-standard tagging formats. Users can modify song titles, artists, albums, genres, lyrics, ratings, and other metadata individually or in batches. An advanced editor provides direct access to individual metadata frames for detailed adjustments.