WinShot

"Captures any part of the screen, supports BMP, GIF, PNG and JPG files."
By SoftCns Editor: This graphic tool designed specifically to assist in preparing images for your help systems and the Internet. It lets you quickly and precisely capture an image of any window (including controls) or any part of the screen. The captured image can be copied to the clipboard or saved as BMP, GIF, PNG or JPG file. You can reduce image dimensions, add a shadow effect, adjust color depth. WinShot also offers a preview of the resulting image along with file size. This makes image optimization visual, effectively trading image quality with file size by adjusting various parameters, and gives you the possibility to considerably reduce the file size of the images.