Test your device.
Find the problem.
Something feel off? Test your keyboard, mouse, display, and more. Get clear answers, right in your browser.
Find the right test.
Search by problem or choose a device below.
Popular tests
Keyboard tester
Every key deserves a check. See each keystroke light up in real time.
Mouse tester
Left, right, scroll, and side buttons. Put every click to the test.
Gamepad tester
Buttons, sticks, and triggers. Get to know your controller inside out.
Dead pixel test
Go fullscreen. Find bright spots, stuck pixels, and the tiniest flaws.
Microphone test
Make sure you sound right. Check your levels, record, and listen back.
Webcam test
Ready for your close-up? Preview your camera before the next call.
Browse by device
Your clicks, camera, and audio stay on your device. That’s a promise.
Three steps to a little peace of mind.
Pick your device
A sticky key or a silent microphone? Start with what’s bothering you.
Put it to the test
Click, type, speak, or move. Your browser does the rest.
Know your next step
Understand what happened and what to try next. No technical degree required.