Description: Conversion of Image files to JPEG on Windows 7 (Joint Photographic Expert Group) has become a reality using the file extension lookup gadget. This gadget supports up to 24-bit color and it's a sure way of compression the images on your PC which can take a large part of the memory when not in the JPEG format. The format is also commonly used in publication of web graphics and is very handy when you want to do this from your PC.