Free Hardware Test Tools — Check Your Devices Online

Quick hardware checks that run entirely in your browser. Test your microphone and webcam before a call, and more — no downloads, no signup, and nothing ever leaves your device.

Microphone Test Live volume meter, waveform, and a record-and-playback check. Webcam Test Live camera preview with resolution, frame rate, and a snapshot. Keyboard Tester Light up each key on a virtual layout to find dead or stuck keys. Gamepad Tester Live button, trigger, and stick readouts with a stick-drift check. Dead Pixel Test Full-screen colour cycle that exposes dead, stuck, and hot pixels.