Pixel Ruler features horizontal and vertical orientation, dynamic mouse measurement tracking in pixels and slim design. You can measure the distance (in pixels) between two points or the length of a graphic item (window, button, etc) on the computer screen. It is very useful for web masters, graphic designers, software and GUI developers, architects, etc. It is tested and certified by the Softpedia labs. Which means it does not contain any form of malware, including but not limited to: spyware, viruses, Trojans and backdoors. This software product was tested thoroughly and was found absolutely clean; therefore it can be installed with no concern by any computer user. It is delivered in a package to together with several other graphics programs. Once unpacked, it does not require being installed. Just double click the program to run it.