XML Formatter

Format, minify and validate XML to make documents easier to read and troubleshoot.

FreeBrowser

Validates XML and preserves attributes, comments, CDATA and mixed content. DTD and custom entities are unsupported.

Format

Input

Result

Processed on your device. No upload or account needed.

About XML Formatter

Validate XML syntax and switch between indented and compact output. Inspect elements, attributes, comments and CDATA while preparing a readable configuration or integration sample.

How to use XML Formatter

Paste the XML document.
Choose indentation or compact output.
Process the document, inspect errors and copy or download valid XML.

Input and output example

Input and settings: <root><item>demo</item></root>
Expected output: <root> <item>demo</item> </root>

When to use this tool

Read a compact XML response.
Check XML structure after a manual edit.

Limits to know before using it

DTD and custom entities are unsupported. Syntax validation does not validate an XSD or application schema; inputs are limited to the size shown by the editor.

Data handling and cost

The main operation runs in your browser; tool input is not uploaded for processing. The site can still use session cookies and collect operational or usage data as described in the privacy policy.

Free to use in your browser, with no sign-in needed.

Frequently Asked Questions

No. Processing runs in your browser; input and files are not sent to a backend. Loading the website and program assets requires a connection.

Attributes, comments, CDATA and mixed content are preserved. DTD and custom entities are unsupported.