Web-Thumb is a free program which lets you create thumbnails of web pages, this small application is quite handy when you quickly want to create a small thumbnail of a specific page on internet. It has a small browser window in which you can load any page with the Address URL Box. Some related articles on this are Thumbnail view of images or media files and Change The Size Of Mouse Over Thumbnails
You change the format of the thumbnail image to be saved, change the width and height of the new thumbnail created, clicking the options button on the program interface you can change the path of where the thumbnails created are getting stored.
You can show or hide the thumbnail anytime by clicking the show and hide button on the program interface as shown below.
[ click the image above to enlarge ]
Note: This program requires the Microsoft .NET Framework 2.0 or higher.