Layout Measure by Aleksandr Bogdan
Measure webpage elements with CAD-style dimensions, spacing guides and box-model highlighting.
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About this extension
Layout Measure is a visual inspection and measurement tool for web developers and designers. Activate it on an ordinary webpage to inspect elements, visualize their box-model boundaries and compare spacing using clear CAD-style dimensions.
Features include:
- Hover highlighting and element inspection
- Measurements between selected elements
- Margin, border, and padding visualization
- Support for elements inside Shadow DOM
- Configurable dimension markers and contrast outlines
- Toolbar and keyboard activation (Alt+M)
Features include:
- Hover highlighting and element inspection
- Measurements between selected elements
- Margin, border, and padding visualization
- Support for elements inside Shadow DOM
- Configurable dimension markers and contrast outlines
- Toolbar and keyboard activation (Alt+M)
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Permissions and data
Required permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 1.49 MB
- Last updated
- 3 days ago (Aug 24, 2026)
- Related Categories
- License
- All Rights Reserved
- Version History
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