How to Capture Mac Window Screenshots Without a Shadow Khamosh Pathak When you take a screenshot of a window on your Mac, it captures the shadow of the window as well. It looks great, but it might not be ideal if you’re sharing the screenshot online or for work. Here’s how to turn off the screenshot shadow on your Mac. There are two ways to disable this window shadow. You can do it on a per-screenshot basis using a special keyboard shortcut, or you can use a Terminal command to disable shadows on all window screenshots going forward.