XML Validator Online: Fix Syntax Errors & Validate Schema
Check your XML for syntax errors and schema validity. This online XML validator provides line-numbered error highlighting for quick fixing.
XML Validator Online: Fix Syntax Errors & Validate Schema
Check your XML for syntax errors and schema validity. This online XML validator provides line-numbered error highlighting for quick fixing.
XML (eXtensible Markup Language) is the backbone of enterprise data exchange. Our tool ensures that your xml validator needs are met with absolute precision and security.
XML Technical Standards
Single Root
Every verified XML document must have exactly one root parent tag.
Proper Nesting
Tags must be closed in the exact reverse order they were opened.
Attribute Quoting
All attribute values must be strictly enclosed in quotes.
Namespaces
XML Namespaces allow detailed vocabularies to coexist without collision.
Frequently Asked Questions
How to Use
Paste Code
Paste your XML code into the editor above.
Click Action
Click Format, Validate, or Minify depending on your needs.
Review & Export
Check the results and copy or download the output.