Measure the distance between two points on your screen, get the exact location and size of an element on a web page, measure in pixels, centimeters or millimeters, both horizontally and vertically? Screen Ruler is your choice.

Data extraction from images downloaded from the Internet, scanned images, digital photos, video, or other cases where the image data is unavailable. Places tools over the image to 1) extract values from continuous or discrete point graphs tilted due to scanning, 2) measure distance and area on curved paths, 3) measure angle and straight-line distance, 4) record color values at multiple points of an image. Values can be saved to XLS or TXT files.

The Screen Calipers are a unique application that allows designers to measure anything on a computer screen quickly and accurately. The application resembles a real-life Vernier Calipers, making the application so intuitive to use that no instructions are required.

The Screen Calipers can be used with any program where fast and accurate measurements are required including html layout, CAD design, Illustration, allowing measurement in any unit.

Pixel Ruler features horizontal and vertical orientation, dynamic mouse measurement tracking in pixels, cool design.

How to find out the size of something on the screen or to take a closer look at it?

Use Perfect Screen Ruler. You will easily find out the size of any item on the screen, for instance, the size of a button or the distance between two points. You will be able to enlarge the image if necessary. It is useful when you measure some small images or when you need to study the enlarged area of the screen in detail.

PDF Measure It is an Acrobat plug-in tool, it enables accurate measurement of the distance and angle between two points on a page. To measure a distance, click anywhere on a PDF page to set a reference point, then click again in the same page to set a measure point, Measurements include horizontal, vertical, distance and angle degrees, changeable size & colored crosshairs are placed over the page at both points

Mac PDF Measure It is an Acrobat plug-in tool, it enables accurate measurement of the distance and angle between two points on a page. To measure a distance, click anywhere on a PDF page to set a reference point, then click again in the same page to set a measure point, Measurements include horizontal, vertical, distance and angle degrees, changeable size & colored crosshairs are placed over the page at both points, crosshairs can also be finely

A tool to measure distances and angles on the desktop.
The distances can be measured in pixel, cm, inch, points or twips and the angle in radiant or degree.
The ruler is almost transparent so you can have it on the screen, while you are working with the applications below.
Additionally it has a screen loupe and a RGB value window.
You can also draw points, lines, rectangles, polylines, bitmaps and text as temporary objects on the screen.

A Ruler for Windows is a free on-screen pixel ruler for your PC. It provides you your choice between a rich woodgrain ruler, or at the touch of a button, a clear see-through plastic ruler. A Ruler for Windows is fun to learn and very easy to use.

Univerasl Desktop Ruler allows you to measure not only a straight line distance but any curved distance on the Screen. It allows you to measure quickly and accurately distances, areas and perimeters of figures on the screen. You can determine your own scale and get results in pixels and your units of measurement (feet, inches, meters, ...). It is useful for measuring distance and area on a map, finding area and perimeter in a house project.