HTML → JSON
HTML to JSON converter online. Convert HTML DOM structure to JSON representation. Parse HTML to JSON object free in your browser.
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HTML Input
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JSON Output
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Features
- Convert HTML DOM structure to JSON object
- Preserve element hierarchy and nesting
- Include all attributes in JSON output
- Extract text content from elements
- Pretty-print JSON with indentation
- Copy JSON output instantly
Common Use Cases
- Parse HTML for data extraction in Node.js or Python
- Convert scraped HTML to structured JSON data
- Analyze HTML structure programmatically
- Create JSON representations of email templates
- Feed HTML data to APIs expecting JSON format
HTML to JSON Conversion
Converting HTML to JSON transforms the Document Object Model (DOM) tree structure into a JavaScript Object Notation (JSON) representation. This makes HTML data easier to process programmatically in various programming languages.
JSON structure for HTML:
- tagName: The HTML element name (e.g., "div", "p", "a")
- attributes: Object containing all element attributes (id, class, href, etc.)
- children: Array of child elements (recursive structure)
- textContent: Text content inside the element (if any)
Use cases for HTML-to-JSON:
- Web scraping: Extract data from websites in a structured format
- API integration: Send HTML structure to APIs that expect JSON
- Data analysis: Analyze HTML patterns using JSON query tools like jq
- Testing: Compare HTML structures by comparing JSON diffs
- CMS migration: Convert legacy HTML templates to JSON for modern systems
The resulting JSON can be processed with any programming language that supports JSON parsing, making it a universal format for HTML data exchange.
Examples
Valid - Simple HTML
<div class="box"><p>Hello</p></div> Valid - With Attributes
<a href="https://example.com" target="_blank">Link</a> Valid - Nested Structure
<ul><li>Item 1</li><li>Item 2</li></ul>Frequently Asked Questions
Can I convert JSON back to HTML?
Yes, but you'll need a separate JSON-to-HTML converter. The reverse conversion is straightforward—iterate through the JSON object and rebuild HTML tags with attributes and children.
Does this preserve inline styles?
Yes, all attributes including style, class, and data-* attributes are preserved in the JSON output as key-value pairs in the attributes object.
How are comments handled?
HTML comments are typically excluded from the JSON output since they're not part of the DOM element tree. Only actual HTML elements with tags are converted.
Can I use this for web scraping?
Yes, converting HTML to JSON makes it easier to extract specific data using JSON query tools or programming language JSON parsers. However, respect robots.txt and website terms of service.
Is the JSON output always valid?
Yes, the output is always valid JSON. However, if your input HTML is malformed, the resulting JSON structure may not represent the intended hierarchy.