DEVELOPER TOOLS
XML Formatter
Format and validate XML text with readable indentation, entirely in your browser.
Try the tool
Runs in your browserFormula or method
Parse XML into a DOM; serialize nodes with nested indentation while preserving text content.
Use the method above to understand how the result is produced. Some tools use text-processing rules rather than mathematical equations.
How to use the XML Formatter
Paste XML, select Format XML, and copy the formatted result. Errors are shown if the XML cannot be parsed.
- Enter the requested values or paste your content into the fields above.
- Choose the appropriate action to calculate, format or preview.
- Review the result and copy or save it when needed.
Worked example
Input <root><item>One</item></root> to obtain neatly indented markup.
Use the example as a reference, and replace the sample inputs with your own values.
Frequently asked questions
Does this validate an XML schema?
No. It checks whether XML is well-formed, not whether it conforms to an XSD.
Does it upload XML files?
No. All parsing happens in your browser.
Does it preserve comments?
Yes. XML comments and CDATA nodes are retained.
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