Test files › Audio and video › empty-ftyp-only.mp4

Minimal MP4 with only an ftyp box

A valid ftyp box declaring isom/mp42 branding, with no moov and no mdat - structurally an MP4, but with zero tracks.

↓ Download empty-ftyp-only.mp4
Filenameempty-ftyp-only.mp4
FormatMP4
Size28 bytes (28 bytes)
MIME typevideo/mp4
SHA-2565c15fbf395d7d984bba8eeedf90f7adbc0c166cfd9e633d6d18b5153231bdd85
What this file catchesProbing code that checks only the ftyp box and reports the file as playable video. Duration and track enumeration should fail cleanly, not return NaN.

Download & verify

curl -fsSL -o "empty-ftyp-only.mp4" "https://files.hexaqa.com/video/empty-ftyp-only.mp4"
curl -fsSL "https://files.hexaqa.com/video/empty-ftyp-only.mp4" | sha256sum # expect: 5c15fbf395d7d984bba8eeedf90f7adbc0c166cfd9e633d6d18b5153231bdd85

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