Browser hardware tests
Find out if your hardware works. Right now, in this tab.
No download, no account, no upload. Every test runs on your own device and tells you plainly whether the thing works.
All tests
Hear yourself back. Live level meter plus instant playback.
Find dead, stuck, or double-typing keys on any keyboard.
See what your camera sees, take a photo, or record a clip.
Full-screen color fills that reveal dead and stuck pixels.
Map dead zones by dragging, and count multi-touch points.
Every button and trigger, with real stick drift measurement.
Real Hz, 1% lows, motion trailing, and input latency.
Channel, wiring, polarity, and rattle checks with test tones.
Why nothing is uploaded
Browsers can read your microphone, camera, and keyboard directly on the page. There is no reason to send that anywhere. Your audio never leaves the tab, there is no server to store it on, and closing the page ends the test.