A Ruler for Windows is a free on-screen ruler application for Windows. It provides horizontal and vertical rulers to measure things on your screen, useful for graphics work.
Free on-screen ruler application for Windows providing horizontal and vertical rulers for measuring on the screen, ideal for graphics work
What is A Ruler for Windows?
A Ruler for Windows is a free, open-source on-screen ruler application for Windows. It provides simple horizontal and vertical rulers that you can position anywhere on your screen to measure distances, sizes, and alignments when working with documents, images, layouts, and other graphics.
Key features include:
Horizontal and vertical rulers in inches or centimeters
Rulers can be moved, resized, and rotated
Supports high DPI monitors and tablets
Keyboard shortcuts to toggle rulers
Minimal interface gets out of your way
Open source and completely free to use with no ads
A Ruler for Windows is useful for any task requiring precision alignment or measurement on your screen, such as design work, desktop publishing, presentations, screenshots, programming UI layouts, and more. Its simplicity makes it easy to quickly get ruler guides in place without disrupting your workflow.
A Ruler for Windows Features
Features
On-screen horizontal ruler
On-screen vertical ruler
Ruler size and color customization
Always on top mode
Magnifier tool
Protractor tool
Crosshair tool
Screen capture tool
Pricing
Free
Pros
Free and open source
Simple and easy to use
Customizable ruler appearance
Useful built-in tools
Lightweight with minimal system resource usage
Cons
Limited features compared to paid alternatives
Basic functionality without advanced options
No native support for angled or curved rulers
Can only measure screen dimensions, not real-world objects
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