It sometimes takes seconds or minutes to open an image, which is a great waste of time. Therefore, the use of a software like Context ThumbView is a handy means. Context ThumbView is an extension for Windows Explorer that lets you see thumbnails of your images in a pop-up menu. This tool is very easy to use and supports most popular image formats. To do so, simply select the image and right click to access to the thumbnail. Moreover, it even allows you to copy these thumbnails to a clipboard or to open them in Word or Excel.