Container vs codec
MKV, MP4 and WebM describe containers; H.264, AAC, Opus and SubRip describe codecs or stream formats inside them. The inspector separates those layers instead of collapsing them into one “file type”.
Media tool
Media Info & Codec Inspector
Inspect container, video, audio and subtitle stream metadata with a scan-friendly local media report.
Local processingNo user file upload
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Copy or export the report
Use the scan-friendly sections for quick inspection, copy a text report, or download the raw probe JSON when you need machine-readable detail.
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