To crop a screenshot on mac is very easy, firstly, we will learn how to take screenshots on mac. So, press shift + command + 3 to take a screenshot of the whole screen. Now, let’s crop the screenshot on mac.
1. Press (Shift + Command + 3) after taking the screenshot and tap on the thumbnail at the bottom
2. Click on the pen icon markup option from the toolbar
3. Then, you will find the Crop option in the toolbar
Read More: https://getassist.net/how-to-crop-a-screenshot-on-mac/