About This Tool
Documentation
What does this tool do?
A dual-mode XML validation engine. Checks XML well-formedness and validates document structure against W3C XSD schema definitions, pinpointing unmatched closing tags, missing required attributes, and invalid data types with precise line and column numbers.
When should you use it?
Use this tool to ensure XML sitemaps and RSS feeds conform to standard specifications, validate incoming SOAP requests, or debug XML parsing errors before ingestion.
Key Capabilities & Features
Highlights
Validate XML documents against W3C XML Schema Definition (XSD) standards
Detect schema violations: missing required elements, invalid data types, and attribute errors
Precise line-by-line error reports with XSD rule references and diagnostics
Side-by-side synchronized XML and XSD editor with syntax highlighting
Supports complex types, simple types, sequences, choices, and namespaces