Is this keyboard tester free?

Yes. It's completely free with no account or download required — open the page and start pressing keys. Everything runs in your browser.

How do I know if a key is broken?

Press the key: if it doesn't light up, it isn't registering. If a key fires repeatedly on its own, it appears in the input history with a count like “A ×7”, which indicates chatter or a stuck key.

What is Capture Mode?

Capture Mode blocks browser shortcuts (like the Alt menu, Quick Find and Ctrl+W) so keys are tested cleanly. On Chrome and Edge it also goes fullscreen and uses the Keyboard Lock API to capture system keys such as PrintScreen and Esc.

Why can't the tool block the Windows / Start key?

The Windows/Start key is reserved by the operating system and cannot be intercepted by any web page. This is a browser/OS limitation, not a bug.

Can it test my touchpad too?

Yes. The Touchpad tab tests pointer tracking, left/middle/right clicks, double-click, scrolling, pinch gestures and multi-touch, with a visual pointer trail and click ripples.

Does it test keyboard ghosting and N-key rollover?

Yes. Press several keys at once — every key your keyboard reports lights up simultaneously, so you can see how many simultaneous keys (rollover) it supports and whether ghosting occurs.

Is it safe and private?

Yes. The tool is 100% client-side: no key data or touchpad data ever leaves your browser, and no login is required.

Keyboard & Touchpad Tester

Test keyboard keys and touchpad functionality with real-time visual feedback, multi-touch detection, and gesture recognition.

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Press any key to start testing

Esc

F10

F11

F12

PrtSc

Backspace

Delete

Tab

[

]

Insert

Caps Lock

;

Enter

PgUpHome

Shift

↑

PgDnEnd

Ctrl

Alt

Space

Alt Gr

Ctrl

←

↓

→

Tip: the Windows key opens the Start Menu (OS-level). Enable Capture Mode to block browser shortcuts (Alt, /, Ctrl+W). Tab is kept for navigation.

History

No input yet — press a key or click the touchpad area.

Keyboard & Touchpad Tester is a free online tool to check every key on your keyboard and every function of your laptop touchpad — right in your browser, with no download or login. Press keys to see them light up in real time on a realistic laptop layout, watch the live input history to catch stuck or self-firing keys, and switch on Capture Mode to test system keys like Esc, Tab and PrintScreen without triggering your browser's shortcuts.

What makes this keyboard tester different

✓Tests both keyboard and touchpad in one place — most online testers do keyboard only.
✓Capture Mode blocks browser and system shortcuts (using the Keyboard Lock API) so you can safely test Esc, Tab, Ctrl+W and PrintScreen.
✓Realistic laptop (75%) layout with an optional numpad and independent left/right modifier detection.
✓Live input history with repeat counts (e.g. “A ×7”) to spot chattering, ghosting or self-firing keys.
✓Full touchpad suite: multi-touch points, pinch gestures, scroll, click counters, double-click and a pointer trail.
✓100% private — everything runs in your browser and nothing is uploaded.
✓Available in English and Indonesian and fully keyboard-accessible (WCAG AA).

How to test your keyboard

Open the Keyboard tab and press every key one by one.
Each key lights up and turns green once detected; untested keys stay grey.
Watch the progress counter and input history — a key that repeats on its own (e.g. “A ×7”) points to chatter or a stuck key.
Enable Capture Mode to test Esc, Tab, function keys and PrintScreen without leaving the page.

How to test your touchpad

Open the Touchpad tab and move your finger or pointer across the test area to check tracking and dead zones.
Click the left, middle and right buttons to verify each one; double-clicks are counted separately.
Use two fingers to test scrolling and pinch-to-zoom; active multi-touch points appear as numbered dots.

When to use it

✓Diagnosing a faulty or unresponsive laptop keyboard
✓Checking a used laptop before buying
✓Verifying keys after a liquid spill or repair
✓Testing key rollover (NKRO) and ghosting for gaming
✓Confirming touchpad clicks, gestures and multi-touch
✓Fast hardware checks for technicians

Frequently Asked Questions

Is this keyboard tester free?: Yes. It's completely free with no account or download required — open the page and start pressing keys. Everything runs in your browser.
How do I know if a key is broken?: Press the key: if it doesn't light up, it isn't registering. If a key fires repeatedly on its own, it appears in the input history with a count like “A ×7”, which indicates chatter or a stuck key.
What is Capture Mode?: Capture Mode blocks browser shortcuts (like the Alt menu, Quick Find and Ctrl+W) so keys are tested cleanly. On Chrome and Edge it also goes fullscreen and uses the Keyboard Lock API to capture system keys such as PrintScreen and Esc.
Why can't the tool block the Windows / Start key?: The Windows/Start key is reserved by the operating system and cannot be intercepted by any web page. This is a browser/OS limitation, not a bug.
Can it test my touchpad too?: Yes. The Touchpad tab tests pointer tracking, left/middle/right clicks, double-click, scrolling, pinch gestures and multi-touch, with a visual pointer trail and click ripples.
Does it test keyboard ghosting and N-key rollover?: Yes. Press several keys at once — every key your keyboard reports lights up simultaneously, so you can see how many simultaneous keys (rollover) it supports and whether ghosting occurs.
Is it safe and private?: Yes. The tool is 100% client-side: no key data or touchpad data ever leaves your browser, and no login is required.

What makes this keyboard tester different

How to test your keyboard

How to test your touchpad

When to use it

Frequently Asked Questions

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