XML Formatter
FormattersClean up cluttered XML data with our free online XML formatter. Quickly beautify messy tags and nested structures to improve readability and make debugging easier for developers.
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Clean up cluttered XML data with our free online XML formatter. Quickly beautify messy tags and nested structures to improve readability and make debugging easier for developers.
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Best Practice
Always include the XML declaration line at the very top to specify version and character encoding.
Did You Know?
XML is case-sensitive; `<Tag>` and `<tag>` are treated as two entirely different elements.
XML (eXtensible Markup Language) is a flexible markup language used to store and transport data. Unlike HTML, which focuses on displaying data, XML is designed to be self-descriptive, allowing users to define their own tags. It is the backbone for many web services (SOAP), configuration files (like pom.xml or web.config), and data exchange formats. Because XML relies heavily on a strict hierarchical structure, proper formatting is essential for developers to verify the logic and parent-child relationships within the data.
Tip
Use 2-space indentation for deep XML structures to keep the code from scrolling too far horizontally.
For local development, most IDEs like VS Code and IntelliJ have built-in XML support or extensions such as 'XML Language Support' by Red Hat. If you are automating workflows, consider using CLI tools like xmllint or Prettier with the XML plugin. For web applications, libraries like xml-formatter for Node.js can be integrated into your CI/CD pipelines to ensure all committed XML files meet your team's style requirements.
Q: Does this formatter support CDATA sections? A: Yes, the tool preserves the content inside CDATA blocks exactly as it appears while formatting the surrounding XML structure.
Q: Can I format XML that has syntax errors? A: The formatter works best with well-formed XML. If there are major structural errors, the tool will highlight where the parsing failed so you can fix it.
Q: Is my XML data sent to a server? A: No, Codemata processes the formatting logic locally on your device. Your data never leaves your browser.
Q: Does it support XML namespaces? A: Yes, the formatter correctly handles and preserves namespace declarations and prefixed tags (e.g., <soap:Envelope>).