---
type: lookup
id: mid-midi-4d-54-68-64
asset: file-format-signatures
title: "4D 54 68 64 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "mid midi | <https://en.wikipedia.org/wiki/MIDI#Standard_MIDI_files> MIDI sound file [ 43 ]"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "4D 54 68 64"
offset: "0"
extension: "mid midi"
format: "MIDI sound file [ 43 ]"
unverified_fields: hex_signature, offset
---
**Hex signature:** 4D 54 68 64

**Offset:** 0

**Extension:** mid midi

**Format:** MIDI sound file [ 43 ]

> mid midi | <https://en.wikipedia.org/wiki/MIDI#Standard_MIDI_files> MIDI sound file [ 43 ]

Source: <https://en.wikipedia.org/wiki/List_of_file_signatures>