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XML Validator

XML & YAML Tools

Check that an XML document is well formed and see a clear error description.

Input

Result

How to use

Validating XML

Press Validate to confirm the document is well formed according to the XML specification.

  1. Paste XML into the input editor.
  2. Press Validate.
  3. Fix any reported problem.

Frequently asked questions

Does it check a schema?

It checks well formedness only. Schema and DTD validation are not performed.

Which parser is used?

The browser built in DOMParser, the same parser used for AJAX responses.

Related tools

XML Formatter Pretty print XML with consistent indentation and optional attribute wrapping. XML Minifier Remove whitespace between XML tags to produce the smallest payload. JSON Validator Check whether your JSON is valid and see a clear explanation of any syntax problem. YAML Formatter Parse and re-serialise YAML with consistent indentation and validation. YAML Validator Validate YAML syntax and get a precise error when indentation or structure is wrong. XML to JSON Convert XML into JSON with attributes and repeated elements handled sensibly.