David Nield is a technology journalist from Manchester in the U.K. who has been writing about gadgets and apps for more than 20 years. He has a bachelor's degree in English Literature from Durham ...

You can test your webcam online or using programs that come with Windows 10 or your Mac. You don't have to wait for a video call to find out there's a problem with your webcam - test it ahead of time.

Do you use a laptop or desktop computer at work? If so, you may need a webcam from time to time. But what if you do not have one? Or what if your built-in webcam is bad or broken? There are many ...