Yaykyi Tools

XML Formatter & Validator Online

Format and prettify XML documents with proper indentation and syntax validation. Free browser-based XML formatter and validator.

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What is XML Formatter & Validator Online?

Raw XML from APIs or config exports is often minified or inconsistently indented. This formatter applies consistent 2-space indentation, preserves CDATA and comments, and validates well-formedness — reporting exact line and column of syntax errors.

How to Use XML Formatter & Validator Online

  1. Paste your XML.
  2. Formatted XML appears instantly. Errors are highlighted.

Frequently Asked Questions

What is well-formed XML?

Well-formed XML follows all XML syntax rules: one root element, all tags closed, attributes quoted, and special characters escaped.

See Also