XML Validators - Syntax & Schema Checks
Xml Diff
Compare two XML files and see structural differences with syntax highlighting. Detects added, removed, and changed elements. Browser-based, completely private.
Xml Validator
Validate XML syntax and well-formedness instantly. Detect errors with line numbers. Supports namespaces and DTD references. Free and private.
Xml Well Formedness
Check if XML is well-formed according to XML 1.0 specification. Detect syntax errors and malformed tags. Browser-based, instant validation.
XPath Tester
Test XPath queries against XML documents. See matching nodes, evaluate expressions. Supports XPath 1.0. Free, private, works offline.