# HTML Attribute Extractor

Extract specified attributes (href, src, data-*, etc.) from HTML content with tag name filtering support

> Canonical page: https://elysiatools.com/en/tools/html-attribute-extractor

- **Category:** Development

- **Keywords:** html, attributes, extractor, parser, href, src, data, seo, links, dom

## Overview

## Features

Extracts and analyzes HTML attributes from any HTML content:

- **Targeted Extraction**: Specify exact attributes to extract (href, src, id, class, etc.)
- **Tag Filtering**: Limit extraction to specific HTML elements (a, img, div, etc.)
- **Data Attributes**: Support for data-* attributes with wildcard matching
- **URL Analysis**: Optional parsing and validation of URL components
- **Statistics**: Comprehensive statistics per attribute (count, unique values, empty count)
- **Position Tracking**: Line numbers and character positions for source references

## Supported Attributes

- Standard HTML attributes: href, src, alt, title, id, class, etc.
- Data attributes: data-*, data-id, data-custom-*, etc.
- Custom attributes: any attribute present in HTML elements

## Use Cases

- Extract all links from HTML pages
- Find all image sources
- Analyze data attributes for analytics tracking
- SEO link auditing and validation
- Asset URL extraction and validation
- HTML structure analysis

## Inputs

- **HTML Content** (textarea): Paste your HTML content here to extract attributes...
- **Attributes to Extract** (select)
- **Filter by Tag Names** (select): Optional: Only extract from specific HTML elements
- **Include Data Attributes** (checkbox): Extract data-* attributes when specified or using data-* wildcard
- **Parse and Analyze URL Components** (checkbox): Parse URLs into protocol, domain, and path components

## When to use

- When auditing all links on a webpage for SEO optimization and validation.
- When extracting image sources and alt texts to verify asset URLs and accessibility.
- When analyzing data attributes for custom tracking or analytics implementation.

## How it works

- Paste your HTML content into the tool's textarea input.
- Select the attributes to extract, such as href, src, or data-*, from the dropdown menu.
- Optionally, filter by specific HTML tags like or to narrow down extraction.
- The tool parses the HTML and returns a JSON result with extracted values, statistics, and source positions.

## Use cases

- SEO link auditing to extract and validate all hyperlinks from HTML pages.
- Web development asset management by finding image and script sources for optimization.
- Data attribute analysis to review tracking codes or custom data in HTML elements.

## Frequently asked questions

### What attributes can I extract?

You can extract standard HTML attributes like href, src, id, class, alt, title, and data-* attributes with wildcard support.

### Can I limit extraction to specific HTML tags?

Yes, use the tag filter to extract only from elements like , ,

, or others.

### Does it support data attributes?

Yes, data-* attributes are supported, and you can enable or disable their inclusion with a checkbox.

### What output format does the tool provide?

Results are returned in JSON format, including extracted attribute values, counts, unique values, and line positions.

### Is URL parsing available?

Yes, you can enable URL component parsing to break down extracted URLs into protocol, domain, and path.

## Related tools

- [Image Source Extractor](https://elysiatools.com/en/tools/image-source-extractor): Extract image URLs (src attributes) from HTML source code. Supports lazy-loaded images and srcset attributes.
- [Meta Tag Extractor](https://elysiatools.com/en/tools/meta-tag-extractor): Extract and analyze meta tags, Open Graph, Twitter Cards, and structured data from web pages
- [Changelog Extractor](https://elysiatools.com/en/tools/changelog-extractor): Parse and extract structured data from changelogs and release notes in multiple formats
- [Docstring Extractor](https://elysiatools.com/en/tools/docstring-extractor): Extract and parse documentation from JavaScript/TypeScript, Python, and Java source code
- [HTML Tag Stripper (HTML标签清除)](https://elysiatools.com/en/tools/new-html-tag-stripper): Remove HTML tags from code and extract clean text content
- [Domain Extractor](https://elysiatools.com/en/tools/domain-extractor): Extract domain names from URLs. Supports various extraction options including subdomains and path analysis.
- [Heading Hierarchy Auditor](https://elysiatools.com/en/tools/heading-hierarchy-auditor): Audit heading structure from a live URL or pasted HTML, then flag skipped levels, multiple h1 usage, style-only heading abuse, and title metadata drift
- [PDF Image & Caption Extractor](https://elysiatools.com/en/tools/pdf-image-caption-extractor): Extract images from PDFs, match nearby captions, and generate an HTML index package using OpenDataLoader

## Samples

- [HTML with Images Samples](https://elysiatools.com/en/samples/html-with-images): HTML source code samples with images for testing extraction
- [Changelog Extractor Samples](https://elysiatools.com/en/samples/changelog-extractor): Various changelog formats for testing changelog parsing and extraction tools
- [HTML Viewer Samples](https://elysiatools.com/en/samples/html-viewer-samples): Sample HTML files (semantic page, form, landing page) for the in-browser HTML Viewer
- [Phone Number Extractor Samples](https://elysiatools.com/en/samples/phone-number-extractor): Collection of mixed text containing phone numbers from various countries for extraction testing

## Related content

- [HTML Content Extraction, Cleanup, and Delivery](https://elysiatools.com/en/hubs/html-content-extraction-cleanup-and-delivery): Extract links, images, attributes, and tables from HTML, remove unwanted markup, and ship verified Markdown, PDF, or CSV outputs.
- [Web Source Reuse and Publication Audit](https://elysiatools.com/en/hubs/web-source-link-and-metadata-audits): Extract source evidence, inspect links and assets, analyze metadata and query strings, and check RSS/Atom and robots.txt before reuse, migration, or release.
- [Technical SEO URL Workflows](https://elysiatools.com/en/hubs/technical-seo-url-workflows): Validate SEO-safe slugs, inspect query parameters, prepare robots and sitemap files, generate social metadata, and verify page signals before launch.
- [HTML Email Review and PDF Delivery](https://elysiatools.com/en/hubs/html-convert): Inspect HTML email metadata, review fragile attributes and image references, create a reviewer-safe fallback copy, and render a shareable PDF proof.