Keyboard Tester

Check keyboard input in the browser, see which keys fire correctly, and monitor repeat, code and modifier states live.

Free to useBrowser-firstBilingual helpReady on page

Tool area

Use it directly on this page

KeyboardInputTester

Tool area

The tool will be ready here as soon as the page finishes loading.

How to use

1 Click the focus area.

2 Press keys on your keyboard.

3 Watch the highlighted layout and event details update live.

Common uses

Check stuck or dead keys

See browser key codes for shortcuts

Verify modifier key combinations

FAQ

What is Keyboard Tester useful for?

Check stuck or dead keys

How do I start using Keyboard Tester?

Click the focus area. Press keys on your keyboard. Watch the highlighted layout and event details update live.

What should I do after this result?

Most people continue with Image Compressor & Converter, Image Resize & Crop, QR Code Generator / Decoder next.