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Design
Magnetic Screen Ruler
Pixel-perfect measurements
Magnetic Screen Ruler gives you pixel-perfect measurements for any element on your screen. Essential for designers and developers who need accurate spacing, sizing, and alignment.
1,900+installs
4.7(67 reviews)
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Extension Preview
Powerful Features
Rulers
Horizontal and vertical rulers
Guides
Draggable alignment guides
Crosshairs
Precise cursor positioning
Copy Values
Quick copy measurements
Simple, Transparent Pricing
Start for free and upgrade when you need more power. No hidden fees.
Free
$0/forever
Perfect for getting started
- Basic rulers
- 2 guides
- Pixel measurements
- Simple crosshair
RECOMMENDED
Pro
Full power, cancel anytime
- Unlimited guides
- Grid overlay
- Multiple units (px, em, rem)
- Screenshot with measurements
- Preset layouts
- Keyboard shortcuts
- Priority support
Frequently Asked Questions
What units are supported?
Free: pixels only. Pro: pixels, ems, rems, percentages, and custom units.
Ready to try Magnetic Screen Ruler?
Install now and start using Magnetic Screen Ruler for free. Upgrade to Pro whenever you're ready.