XScope

xScope
xScope 2.0 showing the Dimensions, Rulers, and Loupe functions, on its About box
Developer(s)	The Iconfactory ARTIS Software
Stable release	3.2.2 / June 2012;13 years ago (2012-06)
Operating system	Mac OS X
Type	Screen measuring device
License	Proprietary, Shareware
Website	iconfactory.com/software/scope

xScope is a utility by The Iconfactory & ARTIS Software that can measure any element displayed on screen. The idea behind the program is that designers can check the size of their work against real-world computer display measurements and be able to measure their work as well. ^[1]

Features

• Dimensions show the pixel size (for both X and Y dimensions) of any object within a color range under the mouse.
• Rulers measuring pixel size in both X and Y dimensions are shown over the screen and can be rotated 360 degrees.
• Screens overlays common screen resolutions along with the area of webpages visible to common browsers within those resolutions.
• Loupe is an adjustable magnifying glass that shows the specific pixel color under the mouse.
• Guides are vertical and horizontal guide lines displayed over the screen to be used as guides.
• Frames of to custom sizes can shown on-screen.
• Crosshair shows the pixel coordinates of the cursor on the monitor.

References

1. xScope: The Designer’s Utility Belt Archived 2013-03-29 at the Wayback Machine . Mac Appstorm: Barry Wiseman. 30 April 2009.