Take a screenshot, annotate it, and send it directly from Gmail
This is a lightweight Chrome extension that will let you snap a picture of anything you see on your screen, so that you can do the following on top of your image:
☑︎ Write text
☑︎ Use arrows
☑︎ Pixelate sensitive information
☑︎ Include rectangular boxes or lines
cloudHQ. Helping your productivity, 1 click at a time.