XML Validator
Validate XML instantly — detect parsing errors, malformed tags, and invalid structure.
What is an XML Validator?
An XML Validator checks whether your XML is well-formed and readable by XML parsers. It helps catch missing closing tags, invalid nesting, broken syntax, and malformed markup before your XML is used in APIs, feeds, or configuration files.
Frequently Asked Questions
Does this validate XML schema (XSD)?
No. This tool validates XML structure and syntax only. It checks whether the XML is well-formed, not whether it matches an external schema definition.
Is my data uploaded?
No. Everything runs in your browser using JavaScript. Your XML stays on your device.