Webcam Test
Check camera permissions, preview your video feed, and test camera switching directly in your browser.
Webcam Preview Test
Your camera preview is shown locally in your browser. Device Test Tools does not need to upload your video stream to run this test.
Status: Waiting to start
Webcam Test FAQ
Why is my webcam not showing video?
Confirm camera permission is allowed in your browser and OS privacy settings, then restart the test.
Does this webcam test upload video?
No. The camera preview is displayed locally in your browser for this test.
Can I switch camera devices?
Yes. Choose another camera in the selector and start the test again.
Why is the image black?
Another app may already be using the camera, or the selected device may be disconnected.