Convert HTML to JSON Online | Free & Secure
Free online tool to convert HTML files to JSON format. Parses HTML structure into a JSON tree. Secure client-side conversion.
HTML Input
common.upload
Samplecommon.uploadcommon.convertcommon.clear
JSON result will appear here...
How to Convert HTML to JSON
01
Paste your HTML code or upload an HTML file.
02
The tool automatically parses the HTML into a JSON tree.
03
Copy or download the JSON output.
Key Features
Client-Side Processing
Your HTML is parsed directly in your browser. No data is sent to any server.
DOM Tree Structure
Converts elements, attributes, text, and comments into a nested JSON object.
Error Handling
Detects and reports HTML parsing errors.
FAQ
Is this tool free?
Yes, this HTML to JSON converter is completely free to use.
How does the conversion work?
It uses the browser's native DOMParser API to parse the HTML string and recursively builds a JSON representation of the DOM tree.