XML Formatter
FormattersClean up cluttered XML data with our free online XML Formatter. Instantly beautify your tags and attributes with customizable indentation to improve readability and structure for developers.
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Clean up cluttered XML data with our free online XML Formatter. Instantly beautify your tags and attributes with customizable indentation to improve readability and structure for developers.
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Did You Know?
XML was designed to be both human-readable and machine-readable, though humans often need formatting help!
Tip
Always check for a valid XML prologue (<?xml version="1.0"?>) at the start of your files for maximum compatibility.
XML (eXtensible Markup Language) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. It is widely used across the web for configuration files, data interchange between different systems, and as a storage format for complex data. Because XML is often generated by software in a 'minified' or single-line format to save space, formatting is essential for developers who need to inspect, edit, or debug the data manually.
Best Practice
Use a consistent indentation level (usually 2 or 4 spaces) to make nested hierarchies clear to other developers.
For local development, consider installing extensions like 'XML Tools' in VS Code to format files as you save them. In professional environments, you can use CLI utilities like xmllint to automate formatting in your scripts. Furthermore, integrating tools like Prettier into your CI/CD pipeline ensures that all XML files checked into your repository meet your team's formatting standards, reducing friction during code reviews and improving long-term maintainability.
Q: Is my XML data kept private? A: Yes, our XML formatter processes your data entirely within your browser; no data is ever sent to our servers.
Q: Does this tool handle XML with namespaces? A: Absolutely, the formatter preserves all namespace declarations and prefixes while organizing the tree structure.
Q: What happens if my XML is invalid? A: The tool will attempt to parse it, but if there are critical syntax errors, it will provide an error message so you can fix the code.
Q: Can I use this for SOAP messages? A: Yes, SOAP is based on XML, so this tool is perfect for beautifying complex SOAP request and response envelopes.
Tip
If you need to store XML in a single line for storage, use our XML Minifier tool instead.