Is my video recorded or sent anywhere?

No. The picture is shown in this page only. It is never recorded, uploaded or stored, and the camera is switched off when you stop the test or leave the page.

Why does the browser say permission was denied?

Camera access was blocked for this site or for the browser. Click the camera or lock icon in the address bar to allow it, and check your operating system's privacy settings.

The picture is black. What should I check?

Make sure a privacy shutter is open, no other app is using the camera, and the right camera is selected if you have more than one.

Webcam Test - Free Online Tool

JavaScript is turned off. InspireTools processes files in your browser, so the tools need JavaScript to run.

Check that your camera works and see its resolution and frame rate.