Reference Source

MIDI sound file — file signature 4D 54 68 64 at offset 0

For MIDI sound file, hex signature is 4D 54 68 64; offset is 0; extension is mid midi, verified against its source on 2026-09-22.

Hex signature
4D 54 68 64 verified
Offset
0 verified
Extension
mid midi verified
Format
MIDI sound file verified
Sourceen.wikipedia.org
Verified
Review by
DatasetFile format magic numbers

What the source says

4D 54 68 64 | MThd | 0 | mid midi | MIDI sound file [43] |

— en.wikipedia.org, retrieved 2026-09-22

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.