XML code can quickly become a tangled mess of tags and attributes. Our free online XML formatter instantly prettifies your markup, offering customizable indentation to make your data structures clear and manageable for any development project.
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Tip
Use CDATA sections to include blocks of text or code that shouldn't be parsed as XML by the processor.
Did You Know?
Unlike HTML, XML tags are strictly case-sensitive; <Tag> and <tag> are treated as different elements.
XML (eXtensible Markup Language) is a flexible markup language used to store and transport data across different systems. Unlike HTML, which is designed to display data, XML is focused on defining what the data is through custom tags. It is a cornerstone of web services (SOAP), configuration management, and cross-platform data exchange. Because XML documents can become massive and deeply nested, formatting is essential for developers to verify data integrity and logic.
Best Practice
Always include an XML declaration line like <?xml version='1.0' encoding='UTF-8'?> at the top of your files.
For local development, consider using IDE extensions like 'XML Tools' for VS Code or the built-in 'Reformat Code' feature in IntelliJ IDEA. In automated environments, tools like xmllint or Prettier with the XML plugin can be integrated into your CI/CD pipelines to ensure every XML file in your repository remains clean and valid.
Q: Is my XML data secure when using this tool? A: Yes, Codemata processes the formatting in your browser or via secure session, and we do not store your private code or data on our servers.
Q: Does this tool validate my XML schema? A: This tool focuses on beautification. For full schema validation against a DTD or XSD, we recommend using our dedicated XML Validator.
Q: Can I format large XML files? A: Yes, our tool is optimized for speed and can handle large XML strings, though extremely large files (several megabytes) may depend on your browser memory.