XML Formatter
Format and validate XML documents with syntax highlighting
Click "Format XML"XML Formatter & Validator
Beautify and validate XML documents with syntax highlighting and proper indentation. Instantly check for malformed XML — missing closing tags, invalid characters, and nesting errors are highlighted in real time.
FAQ
How do I format XML online?
Paste your XML into the editor and click Format. The tool re-indents the XML tree and adds consistent whitespace, making deeply nested structures readable.
What is well-formed XML?
Well-formed XML has a single root element, all tags are properly closed, attribute values are quoted, and special characters like < and & are escaped as < and &.
What is the difference between XML and HTML?
HTML is a specific markup language for web pages with predefined tags. XML is a general-purpose markup language where you define your own tag names to structure any data.
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