Awesome Screenshot is a Chrome extension that I discovered today when I was browsing the Chrome Web Store. With this extension you get a small button to the right of your address bar. When you click the button and choose to capture the entire page among the options, a new tab appears that includes an interface that enables you to crop the captured image or add annotations (in the form of rectangles, lines, text and more). You can also blur out parts of the image.
After you’ve cropped and edited the screenshot to your liking, you can either save the image as a local file in your computer or you can easily upload it to the plugin’s own website and receive a temporary or a permanent link to access or share it. Awesome Screenshot is available in Chrome, Firefox and Safari.