MIDI keyboard input tester
Check the MIDI input of 25 keys, 49 keys, 61 keys, and 88 keys, velocity, simultaneous presses, and pedal and controller responses.
The MIDI data is judged only within the browser, and the performance content is not sent or saved to the Develop Tools server. After pressing the connect button, please allow your browser to use MIDI devices.
MIDI connections and display settings
We are currently checking the Web MIDI compatibility status.
Condition: Not connected
Manufacturer: -
Equipment name: -
Connection: -
keyboard input
C2-C7 / 61 keys
Pressed down
Confirmed
Sustaining
controller input
Displays sustain, modulation, pitch bend, and aftertouch.
Sustain (CC64)
OFF
Modulation (CC1)
0
pitch bend
0
aftertouch
0
Input diagnostics
Detects rapid re-entry, missing Note Off events, and out-of-range notes.
MIDI event log
Displays the latest 200 items. SysEx messages are not requested or retrieved.
| time | Input | types | Ch | Message | Raw MIDI |
|---|
About this tool
Before connecting your MIDI keyboard or digital piano to your DAW, you can visually check each key, velocity, pedal, wheel, and aftertouch input.
Features
- MIDI note input of 25 keys, 49 keys, 61 keys, and 88 keys and all keys check
- Velocity, simultaneous press, chord, sustain, CC, pitch bend, aftertouch, Raw MIDI log
How to use
- Connect your MIDI keyboard to your device and press "Connect to MIDI Device".
- Allow the browser to use MIDI devices, and select the input device, number of keys, and channel.
- Operate the keyboard and controller to check coloring, numbers, diagnosis, and event logs.
Limitations
- A browser with HTTPS environment that supports Web MIDI API is required. We recommend the latest version of Chrome or Edge.
- It does not request SysEx messages and does not output MIDI or play or record audio.
Privacy: MIDI input analysis and log display are performed within the browser, and performance data is not sent or saved to the Develop Tools server. Access to the device begins only after the user authorizes it.