Tag Editor
Description A tag editor with Qt GUI and command-line interface. Supports: iTunes-style MP4/M4A tags (MP4-DASH is supported) ID3v1 and ID3v2 tags (conversion between ID3v1 and different versions of ID3v2 is possible) Vorbis, Opus and FLAC comments in Ogg streams (cover art via "METADATA_BLOCK_PICTURE" is supported) Vorbis comments and "METADATA_BLOCK_PICTURE" in raw FLAC streams Matroska/WebM tags and attachments Additional features: extensive options regarding the file layout (padding, position of tags) displaying technical information such as the ID, format, language, bitrate, duration, size, timestamps, sampling frequency, FPS and other information of the tracks allows inspecting and validating the element structure of MP4 and Matroska files