XML checking tool for XML Schema, DTD, Schematron and RelaxNG


XML validator - powerful and easy to use

  • Validate XML against XML Schema, DTDs, RelaxNG and Schematron.
  • Use the same validator to check your W3C schemas.
  • Check XML instances with no schema assignment.
  • Use the integrated File Explorer to check multiple XML files or folders.
  • Quickly find not well-formed XML data and fix any parsing errors.
  • XML checker for large XML input.

Download XML ValidatorBuddy as your XML editor now:

Check your XML and fix all errors directly in the built-in XML editor

  • Use the XML checker to find all content or well-formed errors at once.
  • Open any XML input in the editor.
  • Jump-to-error functionality to locate error positions quickly.
  • Rich editor environment with syntax-coloring, code folding, copy-paste, find and replace, XPath evaluation and other standard editing capabilities.
XML ValidatorBuddy application screen-shot
Dialog showing XML validator results

Generate detailed XML validator reports with a few clicks

With XML ValidatorBuddy you don't need to open your XML document if you just want to check if the XML if well-formed or valid. This is a big advantage compared to other tools which always require to open any XML instance. Using XML ValidatorBuddy you only need to select the documents in the built-in File Explorer and start to check any amount of XML data at once against their schema references. In addition you can also select any schema from disk for validation if there is no schema assigned.

XML ValidatorBuddy reports all errors found on checking your XML input. Save the generated error report as a separate XML document for further processing or open the report in the editor window.

XML checker for large XML input

Open and edit large XML data and validate even multi-GB files directly in the application. XML ValidatorBuddy can open big XML input, where other tools just stop working. Use the built-in Explorer window to check those XML documents with a single click without the necessity of reading the whole content at once. If the XML has no schema assigned, XML ValidatorBuddy can use any W3C schema for validation. After validation, use the jump-to-error functionality which, of course, also works for large XML data.

Learn more about editing and checking large XML content here

Take a detailed look at some other features of XML ValidatorBuddy

XML ValidatorBuddy is more than just an XML editor. Learn more on clicking the images and links below.