XML / XSD Tester

Validate XML Structure and Check Conformance Against XSD Schema

Tool for validating XML data.

Features:

• Well-formedness check — validate XML structure (closing tags, attributes)
• XSD validation — check XML conformance against XSD schema

Validated XSD rules:

• Required and optional elements
• Minimum and maximum occurrences (minOccurs/maxOccurs)
• Required attributes
• Correct element nesting

How to use:

1. Paste XML in the left field
2. Optionally paste XSD schema in the right field
3. Validation result will appear below