Desktop Ruler resembles a virtual ruler, that can be used to measure or align pixels, inches or centimeters on your desktop or in documents. It offers several useful features that allow you to restrict movement to vertical or horizontal paths, attach the ruler to the cursor and rotate the ruler. The scale also allows you to measure based on resolution that images will be printed, and also includes a precise measuring tool. In addition, you can change the color and size of the ruler interface, and set transparency.