Capturefullpage is a free web service that will help you to capture full page screenshot of a webpage. It is very simple and easy to use anybody. No sign up is required for using capturefullpage.
To take screenshot simply type URL off the webpage in capturefullpage web site and click “Take Screenshot” button after sometimes you can see preview of your webpage. You can set screenshot dimensions in top screen or full page. You can also set size of the screenshot in x-small, small, medium, large or full. You can save the screenshot as a JPEG or PNG format. You can download screenshot as a zip file.