Relevant live checks
Webcam TestOpen your webcam locally to verify that the browser can access and display a live camera stream.
→Webcam Resolution TestCheck the active video track resolution your browser receives from the camera.
→Webcam FPS TestEstimate the actual delivered webcam frame rate.
→Camera Focus Test ChartDisplay a high-contrast focus target and fine-line reference for visually checking camera focus behavior.
→Do the high-signal checks before risky changes
- 1
Run Webcam Test outside the presentation app
- 2
Select the correct camera if multiple are present
- 3
Then check the classroom or presentation app's camera selection
What DeviceOK/browser can help check
- Open browser-visible UVC video
- Report active settings
- Provide focus reference targets
What this browser page cannot prove
- Control every document-camera zoom or light feature
- Inspect autofocus mechanics
- Repair firmware