AreaZoom

Zoom in, magnify and save area of your screen. This utility allows you to select and preview an area of your screen, select magnification for it and save it as an image file on your desktop.

You can continiously see a magnified portion of your screen in a preview area when dragging the selection box over the desktoip area. Then you may magnify or make it smaller in the preview, select a part of it and save it as a bitmap file.