Type in a URL below, and we'll fetch whatever it points at and check to see whether it's well-formed XML. In case you don't have any XML lying around, we've provided a couple of test files: http://www.xml.com/tools/ruwf/good.xml http://www.xml.com/tools/ruwf/bad.xml Your URL: Alternatively, type some XML in here: This XML syntax checker is built with the XML::Parser module and Perl.