If you find yourself taking screenshots on your Mac, these are the 10 best hacks you need to know. This key combination reveals all the screenshot options you need and doesn't leave any room for guesswork about what your screenshot tool is actually doing. It shows a floating toolbar with screenshot tools, screen recording tools, and multiple capture and record options. To use this feature, press Command-Shift-5, select any of the screen recording options, click Options, and select your mic from the Microphone section. Save space by switching your default screenshot format to JPGYour Mac takes high-quality screenshots by default, and it uses the PNG format for these images.