Description
Browser Ruler is the ultimate utility for web developers, designers, and QA testers who need pixel-perfect precision.
Stop guessing alignment and padding! Browser Ruler overlays a professional-grade ruler system onto any webpage, giving you the tools to measure, align, and inspect UI elements instantly.
π Key Features:
π On-Screen Rulers: Toggle horizontal and vertical rulers with a single click (or shortcut Alt+R).
π Draggable Guides: Drag guides from the top or left rulers to check alignment across your entire page.
β¬ Area Measurement: Hold Alt and drag to create a measurement rectangle. Instantly see width, height, and diagonal distance.
π Line Measurement: Hold Shift and drag to measure the exact distance between any two points.
π Lightweight & Fast: Designed to have zero impact on page performance when inactive.
π οΈ How to Use:
Toggle: Click the extension icon or press Alt+R to activate.
Guides: Click and drag from the top or left ruler bar to create a layout guide.
Measure Box: Hold Alt + Left Click & Drag to measure an area.
Measure Line: Hold Shift + Left Click & Drag to measure distance.
Clear: Press Escape to clear all guides.
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Permissions (1)
Permissions
activeTabβΉ Can access the current tab when you click the extension
Details
| Version | 1.0 |
| Updated | Dec 16, 2025 |
| Size | 41.96KiB |
| First Seen | Mar 27, 2026 |
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