Looking for ways to do screen shots and then crop the shots. Here is one suggestion, plus a link below to find 13 methods.
I found Awesome easy to use once I installed it on my Chrome toolbar. Not only can you take a screen shot and crop it, but you can also add text and symbols. In the sample below, I added the text you see in red.
Remember to save any screen shots you take, so you can later insert those images into your website or other creations.
Use this link to explore other methods: 13 Free Web Annotation Tools.