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CSS Selector Extractor

Extract and categorize all CSS selectors from CSS content

CSS Selector Extractor

This tool helps you analyze and extract CSS selectors from your stylesheets:

Supported Selector Types:

  • Class Selectors: .class-name, .multiple.classes
  • ID Selectors: #id-name
  • Element Selectors: div, span, button
  • Attribute Selectors: [type="text"], [data-*]
  • Pseudo-classes: :hover, :nth-child(2), :not(.class)
  • Pseudo-elements: ::before, ::after, ::first-line
  • Combinators: descendant (>), adjacent (+), general sibling (~)

Features:

  • Ignores CSS comments
  • Tracks line numbers
  • Handles nested selectors (SCSS/LESS)
  • Supports @media queries and @keyframes
  • Deduplicates results
  • Calculates CSS specificity

Use Cases:

  • Audit CSS for complexity
  • Find unused class names
  • Generate selector documentation
  • Analyze CSS performance
  • Optimize stylesheet structure

Include selectors inside @media queries

Include selectors inside @keyframes

Remove duplicate selectors from results

Calculate CSS specificity for each selector

Key Facts

Category
Development
Input Types
textarea, checkbox
Output Type
json
Sample Coverage
4
API Ready
Yes

Overview

### CSS Selector Extractor This tool helps you analyze and extract CSS selectors from your stylesheets: **Supported Selector Types:** - **Class Selectors**: .class-name, .multiple.classes - **ID Selectors**: #id-name - **Element Selectors**: div, span, button - **Attribute Selectors**: [type="text"], [data-*] - **Pseudo-classes**: :hover, :nth-child(2), :not(.class) - **Pseudo-elements**: ::before, ::after, ::first-line - **Combinators**: descendant (>), adjacent (+), general sibling (~) **Features:** - Ignores CSS comments - Tracks line numbers - Handles nested selectors (SCSS/LESS) - Supports @media queries and @keyframes - Deduplicates results - Calculates CSS specificity **Use Cases:** - Audit CSS for complexity - Find unused class names - Generate selector documentation - Analyze CSS performance - Optimize stylesheet structure

When to Use

  • •Use it when you need to convert video content quickly in the browser.
  • •Helpful for development workflows that need repeatable inputs and fast results.
  • •Useful when you want to test input and output behavior before integrating the workflow elsewhere.

How It Works

  • •Provide CSS Content, Include Media Queries, Include Keyframes, Deduplicate Results as input to the tool.
  • •The tool processes the request and returns a json result.
  • •For repeatable workflows, use the API endpoint shown on the page after validating the result interactively.

Use Cases

Convert video data during debugging or QA.
Validate expected output before using the API or automation flows.
Compare small variations of input to understand output differences quickly.

Try with Samples

video
CSS Selector Samples
Collection of CSS selector examples for extraction and analysis testing
title token css,selector
sample
Markdown Link Extractor Samples
Sample Markdown documents with various link types for testing the Markdown Link Extractor tool
title token extractor
sample
Phone Number Extractor Samples
Collection of mixed text containing phone numbers from various countries for extraction testing
title token extractor
sample
Changelog Extractor Samples
Various changelog formats for testing changelog parsing and extraction tools
title token extractor
sample

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FAQ

What does CSS Selector Extractor do?

CSS Selector Extractor helps you convert video content online without setting up a separate local script or app.

When should I use this tool?

Use it when you need a quick convert workflow, want to verify output, or need a browser-based utility for development tasks.

Can I try this tool with sample data?

Yes. Try short representative inputs first, then move to larger or more complex cases once the output looks correct.

What inputs does CSS Selector Extractor accept?

CSS Selector Extractor accepts CSS Content, Include Media Queries, Include Keyframes, Deduplicate Results.

Is there an API for CSS Selector Extractor?

Yes. The tool page includes an API endpoint so you can move from manual testing to scripted usage.

API Documentation

Request Endpoint

POST /en/api/tools/css-selector-extractor

Request Parameters

Parameter Name Type Required Description
cssContent textarea Yes -
includeMediaQueries checkbox No Include selectors inside @media queries
includeKeyframes checkbox No Include selectors inside @keyframes
deduplicate checkbox No Remove duplicate selectors from results
calculateSpecificity checkbox No Calculate CSS specificity for each selector

Response Format

{
  "key": {...},
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
JSON Data: JSON Data

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-css-selector-extractor": {
      "name": "css-selector-extractor",
      "description": "Extract and categorize all CSS selectors from CSS content",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=css-selector-extractor",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]