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Preview of Simple CSS Viewer

Simple CSS Viewer by css-viewer

View computed CSS styles of elements directly in the browser.

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About this extension
Simple CSS Viewer is a lightweight Mozilla Firefox extension designed to help developers, designers, and frontend engineers quickly inspect and understand CSS properties applied to webpage elements. With an easy hover-and-view workflow, the extension allows users to instantly examine styling information without manually searching through complex source code or browser developer tools.

The extension provides a clean and accessible interface for viewing commonly used CSS attributes such as font styles, colors, spacing, margins, padding, borders, dimensions, positioning, and layout-related properties. By simplifying CSS inspection directly within the browser, it helps streamline frontend debugging, UI analysis, responsive design reviews, and educational learning workflows.

Ideal for web designers, CSS learners, and developers working on interface consistency, the tool makes it easier to study how websites are styled and structured. Whether analyzing modern layouts, recreating visual components, or debugging style issues, Simple CSS Viewer offers a fast and convenient solution for inspecting webpage styles in real time.

Features:
• Quickly inspect CSS properties on webpage elements
• View fonts, colors, spacing, margins, and padding values
• Simple hover-based interface for fast CSS analysis
• Lightweight and easy-to-use browser extension
• Helps streamline frontend debugging workflows
• Useful for UI/UX design research and style inspection
• Supports responsive design and layout analysis
• Beginner-friendly tool for learning CSS structures
• Reduces the need for complex developer tool navigation
• Minimal browser resource usage during operation
• Compatible with modern Mozilla Firefox environments
• Ideal for developers, designers, and web design students
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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.
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Version
1.0.0
Size
8.28 KB
Last updated
5 months ago (Dec 26, 2025)
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  • Other
License
Mozilla Public License 2.0
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