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Accurate Shape Measurement with Screen Compass

The Screen Compass allows you to measure the radius, circumference and area of circular or polygonal shapes on your screen simply and quickly.

Our unique transparent Windows app floats above other software, allowing you to measure anything.

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Works with any software

Screen Compass is designed to flat above any app, allowing you to measure anything you want

Measure literally anything

The Screen Compass rotates through 360° allowing you to measure any angle

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Purchase with confidence

Download for free, and purchase the full featured version for just $29.50, we offer a risk free 30 day money back guarantee

Fingertip Accuracy and Simple to use

The Screen Compass' unique design gives it the edge over other apps. By extending the base any sized circle, square or polygon can be created  using fingertip controls or nudging pixel by pixel with keyboard shortcuts you can ensure that the measurement you're getting is extremely accurate.

The Compass can be used with any program as they float over other applications allowing quick and easy measurements. Read the full specs on how everything works.

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Unlock the full version
Find out all the professional features, including custom measurement units and transparency settings that are available after purchasing.
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Change Skins
Don't like the look of your Screen Compass? It's simple to download new skins and change the UX, or even design your own skins.
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Log your measurements
It you have a lot to measure then use our free Measurement logger app to log every measurement you make and export to csv.

Calipers Compass 4.0 now available, with semi transparent skins, and 360° rotation so you can measure any shape on your screen.

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Discover the many uses of your Screen Compass

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Web Designers
Measure pixel perfect HTML layouts in Chrome, Safari, Firefox or Edge
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Graphic Designers
Measure photos and illustrations in Adobe Photoshop, Canva or Illustrator
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Engineers
Perfect for CAD, measure blueprints, plans and architectural drawings
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Microscopy
Connect your microscope and measure magnified tiny things
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Medicine
Measure x-rays, scans or EKG, ECG printouts with ease
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Education
Teach Mathematics and Physics allow students to measure circumference, area and radius

Change the UX with custom skins

The Compass has a fully 'skinnable' interface. This means that you may download new skins and change the user interface. From aesthetic to technical you should find onscreen solution that suits your needs.
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Custom skins for unique measurement needs

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Make your own skins how-to guide

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Custom built skins available

Crosshair skin
Measuring a Square
Measuring a Circle
Measuring a Polygon