Check your devices. Fast, private, free.
Test microphones, webcams, speakers, touchscreens, screens, keyboards and gamepads directly in your browser. No account and no test-media upload required.
No accountMedia stays on your deviceRuns in your browser
Choose a test
Microphone TestAllow microphone access, speak normally, and confirm that your browser receives sound. You can record a short …Webcam TestOpen your camera in the browser and verify that a live picture is arriving. The page shows resolution, measure…Speaker & Headphone TestPlay generated test tones to confirm left/right channel routing and basic frequency playback. Because a browse…Touchscreen TestPress Start to turn the full available screen into the touch test surface. Trace it with one or more fingers t…Screen & Dead Pixel TestCycle through solid full-screen colors and visually inspect the display for pixels that stay bright, dark, or …Keyboard TestPress keys on your physical keyboard and watch the on-screen layout respond. The page tracks tested keys, curr…Mouse TestCheck whether your browser receives mouse movement, clicks, wheel input and optional side buttons.Reaction Time TestWait for the test area to change color, then click or tap as quickly as possible. Your result appears in secon…Gamepad TestConnect a controller, press a button so the browser exposes it, then inspect live button and analog-stick valu…
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Privacy by design
The core test runs in your browser. Audio and video used by the test are not uploaded by the test engine.