Description
π What is CSS Scanner?
CSS Scanner is a powerful developer tool that allows you to inspect and analyze CSS properties of any element on a webpage in real-time. Perfect for web developers, designers, and anyone learning CSS, this extension provides instant access to computed styles, inline styles, and CSS selectors.
β¨ Key Features
π― One-Click Element Analysis
Hover over any element to see its CSS properties instantly
Click to pin the CSS information panel for detailed analysis
Visual element highlighting with customizable borders
π Comprehensive CSS Information
Computed Styles: See the final CSS values actually applied
Inline Styles: View styles directly applied via style attributes
Categorized Display: Organized by Layout, Box Model, Typography, Effects, and more
CSS Selector Generation: Automatic optimal selector path generation
π Smart Copy Features
Copy complete CSS rules with selectors
Copy CSS selectors only
Copy inline styles separately
One-click clipboard integration
π¨ Professional UI/UX
Clean, modern interface that doesn't interfere with your workflow
Responsive popup positioning that adapts to screen edges
Pin/unpin functionality for hands-free analysis
Keyboard shortcuts (ESC to close/unpin)
β‘ Performance Optimized
Lightweight and fast - no impact on page performance
Smart caching system for instant results
Efficient DOM manipulation with error handling
Works on any website without restrictions
π Perfect For
Web Developers: Quickly understand how CSS rules are applied
UI/UX Designers: Learn from existing designs and analyze layouts
CSS Learners: Educational tool to understand CSS behavior
Quality Assurance: Verify CSS implementations across different elements
π How to Use
Activate: Click the CSS Scanner icon in your toolbar
Explore: Hover over any webpage element to see its CSS
Pin: Click an element to pin the CSS panel for detailed study
Copy: Use the copy buttons to grab CSS code or selectors
Unpin: Click elsewhere or press ESC to unpin and continue exploring
π§ Advanced Features
Category Filtering: Focus on specific CSS property groups
Inheritance Analysis: Understand CSS cascade and inheritance
Multi-element Comparison: Compare styles between different elements
Error Recovery: Robust error handling for reliable operation
Performance Monitoring: Built-in performance optimization
π Privacy & Security
No Data Collection: Your browsing data stays private
Local Processing: All analysis happens locally in your browser
No External Servers: No data is sent to external services
Minimal Permissions: Only requires access to active tabs
π‘ Use Cases
Learning CSS: Understand how popular websites implement their designs
Debugging: Quickly identify CSS issues and inheritance problems
Code Review: Analyze CSS implementations for optimization opportunities
Design Analysis: Study competitor layouts and styling approaches
Education: Perfect tool for CSS tutorials and teaching
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Permissions (2)
Permissions
activeTabβΉ Can access the current tab when you click the extension scriptingβΉ Can inject scripts into web pages
Details
| Version | 1.1.0 |
| Updated | Jan 1, 2026 |
| Size | 41.02KiB |
| First Seen | Mar 24, 2026 |
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