Local developer utility

XML Validator

Check XML well-formedness. This does not validate an XSD schema. Your input stays in your browser while you work.

XML Validator🔒 Processed locally

How to use XML Validator

Complete the labeled fields above, choose an action, and inspect the result before copying or downloading it.

Processing runs locally in this browser. No input is uploaded or sent to a conversion service.

XML Formatter — Validate and indent XML while preserving mixed text content.
XML Minifier — Remove indentation-only XML text nodes; preserve mixed content and xml:space.
SOAP Formatter — Validate a SOAP envelope and format its XML.
WSDL Formatter — Format WSDL XML. This checks XML syntax, not WSDL semantics.