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Audio.mid · .midi

MIDI viewer

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About MIDI

Musical Instrument Digital Interface.

MIDI describes music as notes and controllers, not audio. We render a piano roll and play it through a browser synth.

FAQ
What is a MIDI file?
MIDI describes music as notes and controllers, not audio. We render a piano roll and play it through a browser synth.
Is my file uploaded?
No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.
Does it work on mobile?
Yes. The viewer is mobile-first and works on phones, tablets, and desktops.
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