Open Screenshot is described as 'This extension is able to capture 100% of both the vertical and horizontal content appearing on any webpage on the Internet. It is very easy to save the captured file onto your computer or print it / or share it to any social network' and is a screenshot capture tool in the photos & graphics category. There are more than 100 alternatives to Open Screenshot for a variety of platforms, including Windows, Mac, Web-based, Linux and Google Chrome apps. The best Open Screenshot alternative is ShareX, which is both free and Open Source. Other great apps like Open Screenshot are Greenshot, Snipping Tool, PicPick and FastStone Capture.
You grab Screens or Windows using the standard PrtScn and Alt-PrntScn keys and MGrab will intercept the saved data as it is sent to the clipboard and put it into your chosen folder as a BMP or JPG file leaving the clipboard free for you to take another screenshot.
