KMagnifier is a screen magnifier by the KDE community. It can be used to magnify a part of the screen. This application can be useful to various people: People with low vision can use this application to magnify a part of the screen which they are unable to view clearly, artists can use this application to zoom into the graphics they produce and verify it at the pixel level, image-processing researchers can use this application to zoom into images and study them closely. Other than these, KMagnifier can be used for various other purposes e.g. is possible to use the application for grabbing a portion of the screen and saving it to the disk (with an option of zooming the screen captured).
KMagnifier is a very powerful application with new features being added all the time. It is optimized for use on low processing power machines.