Format, validate, minify, copy, and download well-formed XML directly in the browser with readable indentation.

---

XML Formatter & Validator is a free browser-based utility in the fas fa-file-code category. Format readable XML, validate well-formedness, minify output, and save the result without sending XML to a third-party API.

What Does XML Validation Mean?

Well-formed XML must follow XML syntax rules such as correctly nested elements and quoted attributes.

• Fix parser errors before deployment.
• Use consistent indentation for maintainability.
• Minify only when compact output is useful.

How to Use the XML Formatter

Paste XML, choose an indentation style, then format or minify it. You can copy or download the result.

Frequently Asked Questions

Is XML Formatter & Validator free?

Yes. The core workflow runs in your browser without requiring a paid account.

Is my data uploaded?

The tool is designed to process its inputs locally in the browser. Avoid entering secrets unless you have reviewed your own deployment and privacy requirements.