A free online XML formatter and validator. Beautify XML with proper indentation, minify for production, and validate syntax with clear error messages including line numbers. View statistics on elements, attributes, and file size. All processing is local.
Paste your XML into the input field.
Click Format to beautify, Minify to compress, or Validate to check syntax.
View the formatted output with syntax highlighting.
Copy or download the result.
XML minification removes all unnecessary whitespace, newlines, and indentation to reduce file size. This is useful for production deployments where bandwidth matters.
The validator uses the browser's built-in DOMParser to parse the XML. If parsing fails, it reports the error with the line number and description of the problem.
Free online tool — works in your browser, no sign-up required. Start using it right now.
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Every tool works in your browser — no sign-up, no data collection.