Quick Answer
Webcam problems are usually caused by blocked permissions, another app using the camera, or the wrong camera being selected.
Step-by-Step
- Open the Webcam Test and allow camera access.
- Check whether another app is already using the webcam.
- Confirm the correct camera is selected in your browser or meeting app.
- Check operating system privacy settings for camera access.
- Restart the browser or app after changing permissions.
Recommended Workflow
Open the most relevant calculator or utility first, enter a realistic starting point, then use the supporting tools to check assumptions, clean inputs, or prepare the final output.
FAQs
Why is my camera light on but no video appears?
Another app may be using the camera, or the wrong device may be selected.
Is a browser webcam test safe?
The test runs in your browser and is meant to verify access before using a call or recording app.