Device Test Hub- Home
- MIDI Keyboard Test
MIDI Keyboard Test
Connect a MIDI device and press "Connect to MIDI" to see keys and knobs. Works in Chrome, Edge and Firefox on computers.
Messages (newest first)
How to use
- Connect the MIDI keyboard by USB
- Press "Connect to MIDI" and choose "Allow"
- Play keys to see note names and velocity, and the on-screen keys light up
- Knobs, faders and pedals show as CC (control change)
If it does not work
- Safari and iPhone/iPad browsers do not support Web MIDI
- Device not listed: make sure a DAW or other app is not holding it, reconnect and reload
- Note 60 is shown as C4 (middle C); some makers such as Yamaha call it C3
FAQ
Does it make a sound?
Turn on "Play a sound for notes" for a simple tone in the browser. Nothing is sent to your MIDI device.
Velocity is always 127 (or the same value)
The keyboard may have a fixed velocity curve. Check its settings.
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