XML Formatter

Format and validate XML documents with proper indentation and structure. This tool beautifies XML, checks for syntax errors, and validates XML against DTD or XSD schemas. Perfect for cleaning up XML files and ensuring they are well-formed.

When to use this tool

You have minified XML or inconsistent indentation.

You need to confirm XML is well-formed before parsing.

Examples

Format compact XML

Input

<service><name>api</name><port>443</port></service>

Output

<service>
  <name>api</name>
  <port>443</port>
</service>

Formatting makes nested XML easier to inspect and diff.

Developer use cases

Format SOAP responses for easier debugging.

Validate XML config files before deployment.

Common mistakes to avoid

Missing closing tags in nested structures.

Invalid attribute quoting or unescaped characters.

Format and behavior notes

XML must be well-formed before it can be formatted reliably.

Use XML Validator when you only need syntax validation.

Use XML to JSON when the XML data needs to be consumed by JavaScript or APIs.

Frequently Asked Questions

How do I format XML?

Paste your XML document into the editor and click Format. The XML will be automatically formatted with proper indentation.

Does the tool validate XML?

Yes, the tool checks for well-formed XML and can validate against DTD or XSD schemas if provided.

What if my XML has errors?

The tool will highlight syntax errors with line numbers and descriptions to help you fix them quickly.