JavaScript Event Keycode & Key Info Tool
How to Use the JavaScript Event Keycode Key Info Tool
Press any key to instantly see its JavaScript keyCode, event.key, event.code, and modifier states. Free, offline developer keyboard info tool.
- 1
Click anywhere on the screen to ensure the tool has focus.
- 2
Press any key or combination of keys on your keyboard.
- 3
Review the generated event data, modifier states, and location properties in real-time.
Why Choose Our JavaScript Event Keycode Key Info?
Live Event Tracking
Instantly view the javascript KeyboardEvent properties as you type, including key, code, and which.
Modifier States
Monitor the exact live state of the Meta, Control, Shift, and Alt modifier keys during every keystroke.
Zero Latency
Because this tool relies exclusively on local browser event listeners, feedback is completely instantaneous.
100% Secure
We do not log your keystrokes. The tool runs locally in your browser memory and never sends data externally.