A full-featured screen capture tool, Intuitive image editor, color picker, color palette, pixel-ruler, protractor, crosshair, whiteboard and more.

PixelSnap is an app for macOS that makes it easier for designers and web-developers to measure anything on their screens by just clicking and dragging around the cursor.

What are the dimensions of that image? How big is this window? Does this layout fit on an NTSC display? What color are these pixels? What does this icon look like close up? How can I capture an arbitrary portion of the screen?

A lightweight and configurable ruler tool for Windows Desktop. Measure the size of elements on the screen in pixels, centimeters, inches and points. Move and resize precisely using the mouse or the keyboard and add custom marking lines.

EpicRuler is and app for Mac and Windows that helps you to measure any dimension or distance on your screen. It detects objects and snaps to their edges automatically. Using the snappable guidelines you can also align things quickly in any app.

KRuler is an on-screen ruler for measuring pixels. Position the 0 at your starting point and measure the precise pixel distance between the starting point and your cursor.

Pixus is an AIR pixel ruler application, a handy tool for web and interface designers.

PMeter is a very handy pixel meter. There are plenty of desktop rulers around, but it's hard to find a good one, which is free. PMeter is a simple to use desktop ruler allowing to switch between 3 user configurations easily.

Measure Schmeasure is a simple screen ruler for measuring the width or height between pixels in any application. Just load it up and measure away.

Free on screen pixel ruler software for windows:The ruler easily measures objects on your screen. It's an ideal tool for designing web sites, working with graphics and perfecting the look of your digital products.

ScreenRuler lets you measure objects on your Ubuntu desktop using six different metrics.

Simple way to 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, millimeters, points, inches or your own units.