There are many programs to make a screen capture, either free or paid. Every screen capture software that has the same function to capture a screenshot. There are different types of screen capture programs, either desktop or web based base that usually is an add-ons or extensions of a browser like Firefox or google chrome.
If you prefer to make a screen capture using the internet browser then you can try Google Chrome Screen Capture Extension. But if you prefer to make a screenshot of the desktop then you can use Ducklink Screen Capture, why? OK I will explain about this software.
Ducklink Screen Capture is a free tool that can make a screen capture from windows or web page in full means you can make a capture from windows or web page in a scrolling area. Ducklink has four capture modes so you can easily make a screen capture. Four capture modes are, Region, Windows, scrolling and fullscreen.
The image you create from the screen capture can be saved in jpeg, bmp and png file formats. With Ducklink then you will not experience problems when creating a screenshot of scrolling windows or webpage.