Description
The Ruler – Advanced Pixel Measuring Tool
The Ruler is a precise on-page measuring extension that lets you calculate pixel distances directly inside your browser.
Built for developers, designers, and QA engineers who need accurate spacing, alignment, and layout validation.
Features:
• Measure distances using multiple points
• Drag and rearrange anchors freely
• Show / hide measurements instantly
• Customize measurement colors
• Switch between different line styles
• Save presets for repeated workflows
• Share presets with your team
• Lightweight and distraction-free
The Ruler works on any webpage and helps you inspect layouts faster without leaving the browser.
Measure smarter. Work faster.
Reviews
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Permissions (3)
Permissions
activeTabℹ Can access the current tab when you click the extension scriptingℹ Can inject scripts into web pages storageℹ Can store data locally in your browser
Details
| Version | v4 |
| Updated | Feb 16, 2026 |
| Size | 1.77MiB |
| First Seen | Mar 21, 2026 |
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