Will it validate my XML?

It formats well-formed XML; deeply malformed XML may produce unexpected output rather than a validation error.

Does it support namespaces?

Yes, namespace prefixes and declarations are preserved as-is.

Can it format XML with a DOCTYPE?

Yes, DOCTYPE declarations are preserved at the top of the output.

XML Formatter

Format and indent a messy or minified XML document. Paste your XML and get clean, readable output instantly, entirely in your browser.

How to Use XML Formatter

1
Paste your XML into the input area.
2
Click Format to indent and clean it up.
3
Copy the result or download it as a .xml file.

XML Formatter Features

Indents nested elements consistently for readability.
Works on minified or single-line XML.
Runs entirely in your browser.

Why use Tool King?

Fast

No waiting rooms or sign-ups. Most files are ready in seconds.

Private

Files are processed in memory and discarded right after — never stored or shared.

Free

Every tool is free to use, with no hidden limits on the essentials.

Frequently Asked Questions

Related guides

A quick guide to formatting and validating JSON

Turn minified or messy JSON into something readable — and catch syntax errors fast.

Read guide

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