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XML Validator

Check whether XML is well-formed in your browser.

Features

  • Well-formedness check
  • Readable error feedback
  • Local-only validation

How to use XML Validate

  • 1
    Paste the XML document.
  • 2
    Validate and read any errors.
  • 3
    Correct tags or nesting, then try again.

Examples

Unclosed tag

Input
<root><item></root>
Output
Error: mismatched or unclosed tag

About XML Validate

XML Validator looks for well-formedness problems - unclosed tags, bad nesting, broken declarations - so you catch them before a backend reject. It is a quick local check, not a full XSD suite.

Frequently asked questions

No. It focuses on well-formed XML, not schema compliance.

Best for typical snippets and configs; very large docs may be slow in-browser.

No.