Developer & Data Utility
XML Formatter & Validator
Validate XML syntax and format well-formed XML with readable indentation.
Method
The browser DOMParser parses the input as application/xml. A parser error fails validation. Valid XML is serialized with two-space indentation while preserving elements, attributes, text, comments, and CDATA in supported cases.
Worked example
Privacy
Your input is processed in your browser by Practical Tools Hub application assets. This tool does not need to upload your files or text to a third-party processing service.
Limitations
This validates XML well-formedness, not an XSD or DTD schema. Entity/doctype handling is browser dependent. Formatting can normalize insignificant whitespace.