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Device acting up?
Check it right here.

Nothing to install, no account.
Plug the thing in and find out now.

InstantInstantNo installStarts on plug-in
100% local100% localNothing storedNothing stored
SafeIn-browser, safeNo privacy riskNo privacy risk

Check in progress (sample screen, not your device)

4 / 6 done

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Every test runs in this browser. Nothing is uploaded, nothing is stored.

Laptop and peripherals

Other tools

Monitor

Monitor Refresh rate test

Phone and tablet

Phone and tablet Touch test

All guides

Six checks, one pass

Checking a whole machine?

Six checks in one flow: display, keyboard, webcam, microphone, speakers, mouse.

Start the full check

How to check the things a browser cannot