How to Take a Screenshot of Google Chrome Without Extensions
In those cases where a web page comes pretty close to fitting within your browser window, only requiring the tiniest bit of scrolling to see the rest, you can zoom out a bit and take a normal screenshot.
Take a Chrome Screenshot by Saving as a PDF
You can also print the screen, save it as a PDF, and either keep it in its PDF format or convert it into an image format.
How to Take a Full Page Screen Capture Using a Chrome Extension
While these extension-less methods can be handy enough if you only want to capture basic web pages occasionally, it’s likely not going to be enough if you need to do so frequently, especially if they’re large or unwieldy pages. If the latter is more often the case, you will probably want to enlist the aid of a dedicated screenshot extension, like Full Page Screen Capture.