D+DeviceDoctorRun a check
Private browser diagnostics

Test anything.
Install nothing.

Check your microphone, camera, inputs, display and connection in minutes. Understand the result and get the next fix.

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✓ No account✓ No downloads✓ Media stays on device
⌁ Quick diagnostic
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Processed locallyHardware data stays in this browser.
12 focused tools

Start with a quick check

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MI

Microphone test

Signal & input level

Start →
CA

Webcam test

Video, resolution & FPS

Open →
KB

Keyboard test

Keys, rollover & focus

Open →
GP

Controller test

Buttons, axes & drift

Open →

Built around one promise

Results you can understand.
Limits we explain.

01 Browser-native tests02 Clear result states03 Practical next fixes