XML Formatter

Input
Result
How to use
  1. 1.

    Paste your XML into the Input panel

  2. 2.

    The result appears instantly - switch between Format and Minify using the toggle

  3. 3.

    Fix any syntax errors shown, then copy the result

Common uses
  • Formatting minified XML from an API response or configuration file

  • Validating XML structure before using it in an application

  • Minifying XML for storage or transmission efficiency

Frequently asked questions
Does the formatter validate XML?

The browser's built-in DOMParser checks for well-formed XML. If your XML has errors (unclosed tags, invalid characters), an error message is shown.


What indentation does it use?

The formatter uses 2-space indentation by default.


Is my data sent to a server?

Formatting runs entirely in your browser using the native DOMParser and XMLSerializer. No XML is transmitted anywhere.


What is the difference between XML and HTML?

XML is a strict, self-describing markup language where you define your own tags. HTML has a fixed set of tags with relaxed parsing rules. Valid XML must have a single root element and all tags must be properly closed.


Can I minify XML?

The Minify option removes all whitespace between elements, producing compact XML suitable for transmission.