XML Formatter
Prettify, minify, and validate your XML instantly in the browser.
About XML Formatter
This free online XML formatter lets you prettify, minify, and validate XML data directly in your browser. No data is sent to any server — all processing happens locally. Whether you are working with SOAP responses, configuration files, SVGs, or any other XML-based format, this tool helps you quickly make your XML readable or compact as needed.
How to Use
- Paste or type your XML into the input area on the left.
- Click Prettify to format with 2-space indentation, Minify to strip all whitespace between tags, or Validate to check well-formedness.
- The size comparison below the output shows how the file size changed.
- Click Copy to copy the output to your clipboard.
Frequently Asked Questions
What is XML formatting?
XML formatting (or “pretty-printing”) adds proper indentation and line breaks to XML so that the nested structure is clearly visible. This makes it much easier to read and debug.
What does “well-formed” XML mean?
Well-formed XML follows the basic syntax rules: every opening tag has a matching closing tag, tags are properly nested, attribute values are quoted, and the document has a single root element.
Why minify XML?
Minifying XML removes all unnecessary whitespace and line breaks, reducing file size. This is useful when transmitting XML over networks or storing large volumes of data where every byte counts.
Is my data safe?
Yes. All processing happens entirely in your browser using JavaScript. No XML data is sent to any server, so your content remains completely private.