Developer Tools
XML Formatter & Validator
Format, beautify, and validate XML documents. Instantly see errors in malformed XML with proper indentation.
Free · Runs in your browser · No signup · Files stay on your device
1 line • 164 chars
Paste XML, inspect the formatted result, and copy the output without leaving fullscreen mode.
Quick examples
How to use
How to use XML Formatter & Validator
- 1Paste your XML.
- 2See formatted and validated result.
- 3Copy the formatted XML.
Tips
Quick tips
- Invalid XML shows a clear error message from the DOM parser.
- Nested elements are indented for readability.
- Self-closing tags are preserved.
FAQ
Frequently asked questions
Does this validate against a schema?
It validates XML well-formedness (structure). Schema validation (XSD) is not currently supported.
Does this support namespaces?
Yes. The DOMParser handles XML namespaces correctly.
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