Sometimes, the webpage dimension is larger than our computer screen. Therefore if you would like to take a fullpage screenshot of a website, that is impossible for you to press the Print Screen button only on your keyboard to save it as picture format.
However, you can easily do this online with just a simple mouse click without need to install any application or software on your PC.
By visit the website Capture Full Page, you can quickly and easily grab or do a screenshot capture of a webpage by key in a URL of a website, click “Take Screenshot” button, wait for it to load completely. Then, this free online service allows you save it as JPEG or PNG image format. Another alternative site you can use is Super Screenshot.
More: How to Capture the Whole Screenshot of a Webpage?