Take a full page screenshot in Google Chrome

Download the extention “Awesome Screenshot: Capture & Annotate” https://chrome.google.com/webstore/detail/alelhddbbhepgpmgidjdcjakblofbmce 
 This will add an icon in your Google Chrome toolbar that allows you to capture screenshots and annotate them easily. 
 Take screenshots of: 
 
 the visible part of the page 	 a selected area 	 the entire page