No install · No sign-up

New device,
basic checks in 5 minutes.

Got a new device or buying/selling used? Quickly check the essential functions in your browser.

Keyboard · Mouse · Display · Speaker · Microphone · Webcam

Touch · Display · Camera · Microphone · Speaker · Vibration/Rotation

Pass criteria are simple.If the expected response appears and there is no obvious problem, the check passes.

Individual Tests

You can also open a single test instead of running the full check.

Key detection · multi-key input

Clicks · wheel input

Input level · waveform

Video · input resolution

Left · right output

Colors · dead pixels