Device Tests / Free troubleshooting tool
Webcam Tester
Preview your webcam locally after granting permission.
Webcam Tester
Preview your webcam locally after granting permission.
Requires HTTPS and your permission. Video stays in your browser and is not uploaded or recorded.
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How to use this tool
Follow the steps above. Browser tests run locally when possible; other tasks provide practical troubleshooting guidance rather than claiming to scan your computer or network.
Important limitations
Results depend on your device, permissions, Windows version and network configuration. Back up important files before system changes and consult your device manufacturer for hardware repairs.