Musicians, producers, MIDI keyboard and pad-controller users
MIDI Controller Check
Verify that a browser can see MIDI input, notes, velocity, controls, and sustain before troubleshooting a DAW or plugin.
Open each test in a new tab, then record what you observed here. Your progress is saved locally in this browser.
1
MIDI device and messagesSee live MIDI note, velocity, control-change, and pitch-bend messages from a connected MIDI input in supported browsers.
2
Keys / note messagesVerify that MIDI keys send note-on, note-off, and velocity data to the browser.
3
VelocityWatch the velocity values generated by MIDI keys or pads to diagnose fixed, weak, or inconsistent velocity response.
4
Knobs, faders and controlsMove knobs, sliders, wheels, and pads to see incoming MIDI control-change values.
5
Sustain pedalCheck whether a connected sustain pedal sends control-change data through the MIDI controller.
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