ISOBMFF-Explorer is an introspection utility that displays the structure and data of files conforming to the «ISO Base Media File Format» standard (ISO/IEC 14496-12). Such file formats include QuickTime (.mov), MPEG-4 (.mp4, .m4v, .m4a, etc.), HEIF/HEIC (.heif, .heic, etc.), and 3GP (.3gp).
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