What does this XML validator check?
It checks whether your XML is well-formed, including tags, nesting, attributes, declarations, and root structure.
Validators
XML Validator
Validate XML syntax and check for common XML structure errors directly in your browser.
Tool
XML Validator
Validate XML syntax and check for common XML structure errors directly in your browser.
This tool runs in your browser. Your input is processed locally and is not uploaded.
About this Tool
Use this free XML Validator to check XML text for syntax and structure errors such as unclosed tags, mismatched elements, invalid nesting, malformed attributes, missing root elements, and broken declarations. The validation runs directly in your browser, so your XML does not need to be uploaded.
Examples
- <note><to>Ana</to><body>Hello</body></note>
- <?xml version="1.0"?><root><item id="1"/></root>
Frequently Asked Questions
Does this validate against an XSD schema?
No. This tool focuses on browser-only XML syntax validation. It does not fetch or validate against external schemas.
Is my XML uploaded?
No. The validation is designed to run locally in your browser.