Matt’s Magical MIDI Machine

MIDI or just audio + typing keyboard. Everything lights up to match what you press.

Typing notes: A W S E D F T G Y H U J K Typing pads: 1 2 3 4 / Q W E R / A S D F / Z X C V Octave: [ ]
Chrome/Edge recommended for WebMIDI. Audio starts after a click.

Matt’s Magical MIDI Machine

knobs → pads → keys · per-kit themes

MIDI
Audio
Input
Kit
Knobsmouse drag up/down
Padsdrums only
Keyboardnotes only

How to Use It

  • Start: choose MIDI or Audio + Typing.
  • MIDI Input: pick your device in the Input dropdown.
  • Keys: notes only. Bright neon lights on press.
  • Pads: drums only. Animated hit + layered synth drums.
  • Kit: changes pad labels, drum voicing, and color theme.
  • LOUD: boosts drums/pads and adds gentle limiting.
  • Typing Notes: A W S E D F T G Y H U J K
  • Typing Pads: 1 2 3 4 / Q W E R / A S D F / Z X C V
  • Octave: [ ] or Oct − / Oct +
  • Panic: stops all sound (Esc works too).
Matt’s Magical MIDI Machine · single-file MIDI mirror
Tip: if MIDI doesn’t show, refresh after plugging the device in.