XML Formatter & Validator Online Free — Beautify, Minify XML

Format, beautify, minify, and validate XML online for free. Pretty-print XML with syntax highlighting or compress for production.

Indent:

Input

Output

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How to Use

Paste your XML into the input area or load a sample
Choose Format (beautify) or Minify mode
View the formatted output with syntax highlighting
Copy the result to your clipboard

Common Use Cases

Formatting SOAP API responses for debugging
Minifying XML configuration files for production
Validating XML documents before processing
Making XML data readable for code reviews

Frequently Asked Questions

How do I format XML online?

Paste your XML into the input area and click Format. The tool will indent and structure your XML with proper nesting and line breaks.

Can I minify XML to reduce file size?

Yes. Switch to Minify mode to remove all unnecessary whitespace, comments, and line breaks from your XML.

Does this tool validate XML syntax?

Yes. The formatter checks for well-formedness including matching tags, proper nesting, and valid attribute syntax. Errors are highlighted with line numbers.