Check anything.
Free device check tools — verify your monitor, keyboard, mouse, webcam, mic, controller, touchscreen, and clipboard work in seconds. No install needed.
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Monitor Dead Pixel Checker
Spot dead and stuck pixels on any screen.
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Keyboard Tester
Verify every key works and check N-key rollover.
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Microphone Tester
Verify your mic works and measure noise floor.
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Webcam Test
Verify your camera works and check resolution + FPS.
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Browser & Device Info
Resolution, CPU cores, RAM, OS, browser — read at a glance.
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Touchscreen Test
Multi-touch visualizer + dead-spot detector for phones, tablets, and touch monitors.
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Gamepad Tester
Check buttons, triggers, sticks, and stick drift.
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Headphone & Speaker Test
L/R channels, frequency sweep, stereo imaging.
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