.mid MIDI audio
Audio
| MIME type | audio/midi |
|---|---|
| Description | MIDI audio |
| Acronym | MIDI – Musical Instrument Digital Interface |
| Category | Audio |
| Signature (magic bytes) | 4D 54 68 64 (MThd) |
| Other extensions | .kar, .midi |
Frequently asked questions
What is a .mid file?
A .mid file is a “MIDI audio” (MIME type audio/midi). MIDI stands for Musical Instrument Digital Interface.
How do I open a .mid file?
With a media player such as VLC, which plays almost every audio format; on Windows also Media Player, on macOS Music or QuickTime. To edit it, use Audacity for example.
How can you tell a genuine .mid file?
By the bytes at the start of the file, the signature (magic bytes): 4D 54 68 64 (MThd). On Linux and macOS, file --mime-type example.mid checks the real type regardless of the extension.
Which MIME type belongs to .mid?
The MIME type is audio/midi. In the Apache web server: AddType audio/midi .mid; in nginx: types { audio/midi mid; }.