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JavaScript KeyCode Tester

Press any key to get its JavaScript event.key, event.code, and deprecated keyCode values. Essential for frontend developers. Fast, free, and private.

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About JavaScript KeyCode Tester

1

Press Key

Tap any key on your keyboard.

2

View Info

See the Key, Code, and ID.

3

Save Your Output

Click the download or copy button to export your results to your device or clipboard.

Building a game or a hotkey-driven app? Use this tool to find the exact JavaScript event values for any key on your keyboard.

Key Features

Live Testing

Press any key to see values instantly.

Gamepad Support

Detects connected game controllers (beta).

Copy Code

Click to copy the key code.

Frequently Asked Questions

Many legacy tools still rely on keyCode. We show it for maintenance purposes, but recommend event.code for new projects.

Yes, completely free. No account, subscription, or hidden fees — ever.

Yes. All processing runs directly in your browser — nothing is ever uploaded to a server.

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