Your essential tool for an instant and accurate keyboard test.

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Test Every Key on Your Keyboard Instantly

Welcome to the easiest way to perform a comprehensive keyboard test. Our online tool is designed for everyone—whether you're a gamer checking for ghosting, a writer diagnosing a faulty key, or just ensuring your new keyboard works perfectly. Simply start typing to get instant visual feedback. It's fast, free, and requires no downloads.

How to Use the Keyboard Tester

  1. Start Typing: Press any key on your keyboard. The corresponding key on our virtual keyboard will light up, confirming it works.
  2. Check All Keys & Mouse: Systematically press every key—including function (F1-F12) and modifier keys (Shift, Ctrl). Don't forget to test your left and right mouse clicks too.
  3. Analyze the Results: If a key lights up, it's working. If it doesn't, you've likely found a hardware issue. The test helps you see exactly which keys are failing.
  4. Reset for a New Test: Click the "Reset" button to clear the virtual keyboard and start a new test anytime.

Why Use Our Online Key Test?

  • Diagnose Broken Keys: The perfect first step to find out if a key is not working due to a hardware or software problem.
  • Check After Spills: Spilled something on your laptop? Run a quick key test to see if any damage was done.
  • Test for Ghosting & N-Key Rollover: Gamers and fast typists can press multiple keys at once to see if their keyboard registers all inputs correctly.
  • Free and Private: Our tool is 100% free and runs entirely in your browser. We never log your keystrokes.

Frequently Asked Questions (FAQ)

Is this keyboard tester free for PC, Mac, and Linux?

Yes, our online tool is 100% free and works on any operating system with a modern web browser, including Windows, macOS, and Linux.

Do you save my keystroke data?

Absolutely not. Your privacy is guaranteed. The entire test runs in your browser, and no keystroke information is ever sent to our servers.

What is keyboard ghosting?

Ghosting happens when you press several keys at once, but your keyboard fails to register some of them. Our tool lets you test this by showing you exactly which keys are being registered.

Can this tool identify a hardware issue?

Yes. If a key doesn't light up on our virtual keyboard when you press it, it's a strong sign of a hardware problem with that specific key.

Does it work with wireless and Bluetooth keyboards?

Yes. Our tool is compatible with any type of keyboard your computer can connect to, including wired, wireless, and Bluetooth models.