How to capture full content of a web page

When a web page content is very long, using "Capture node screenshot" menu function of F12 tools in Chrome or FireFox will lost the bottom part of its image. Who knows why? maybe it's a memory reservation technology!

Well, follow these steps to save the entire content as an image:

  1. Open Firefox.
  2. Click "Addon" menu item, search "screen".
  3. Install "Full Web Page Screenshots" tool made by susbox whose app name is "FireShot" and icon is a big S.
  4. Use FireShot to capture the whole web page content.