Free XML tools

XML formatter Pretty-print or minify XML, keeping text, CDATA and comments as written. XPath tester Evaluate XPath 3.1 against a document and see each match with its line. XSLT transformer Run XSLT 1.0, 2.0 or 3.0 on a document and see the result, the messages and the files it writes. XML diff Compare two XML documents as trees: changed, added and removed elements, attributes and text.

XML to JSON converter Convert XML to JSON, with arrays where an element repeats or wherever its XSD allows. JSON to XML converter Convert JSON to XML: @keys become attributes, arrays repeated elements. XML to CSV converter Turn a repeating element into CSV rows: invoice lines, products, records.

XSD generator Infer an XML Schema from sample documents, checked against them. XML from XSD Generate a sample XML document from a schema, validated against it.

E-invoice viewer Read an XRechnung, ZUGFeRD, Factur-X or Peppol invoice as a document, and print it. XML validator Check documents up to 1 GB against XSD, DTD, RelaxNG or a catalog profile with its Schematron business rules.