MIDI Keyboard Test
Press keys and confirm note/velocity messages before changing DAW mappings or replacing the controller.
MIDI monitor
Connect a MIDI device, then start the monitor.
MIDI access depends on browser/platform support and user permission. DeviceOK does not install drivers or change your controller firmware.
What happened?Choose the result you observed.
Privacy: MIDI data stays local.
What this test tells you
This test checks
- Note-on/off
- Velocity
- Input identity
How to read the result
Consistent note messages mean the controller is sending MIDI data.
Missing individual notes can indicate a controller/key issue, while no messages at all can be connection, permission, driver, or browser support.