CSS Scanner icon

CSS Scanner

Extension Actions

How to install Open in Chrome Web Store
CRX ID
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Description from extension meta

Real-time CSS property analyzer for web page elements

Image from store
CSS Scanner
Description from store

🔍 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.
✨ Key Features
🎯 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

📊 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

📋 Smart Copy Features

Copy complete CSS rules with selectors
Copy CSS selectors only
Copy inline styles separately
One-click clipboard integration

🎨 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)

⚡ 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

🛠 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

🚀 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

🔧 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

🔒 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

💡 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