Check your camera works — right in your browser.
Quickly check that your webcam is working before a video call, interview, or recording. Click start, allow camera access, and you'll see a live preview plus your camera's name and resolution. Everything runs in your browser — your video is shown locally and never uploaded.
Your video stays on your device — it's shown locally in your browser and never uploaded.
Runs entirely in your browser — nothing is uploaded.
No — the preview runs entirely in your browser and nothing is recorded or sent to a server.
Make sure you allowed camera permission, that no other app (Zoom, Teams, etc.) is using the camera, and that you're on a secure (https) connection.
It uses your default camera. Switch your system's default camera, then reload and start again to test another one.