Text input limit: 2 MB.
Output
Format and validate XML
Validate and format well-formed XML directly in your browser.
How to use XML formatter and validator
- 01Paste XML or choose an XML file up to 2 MB.
- 02Validate the structure or format it with consistent indentation.
- 03Copy or download the result.
Frequently asked questions
Is my data uploaded?
No. The available inspection and transformation operations run in your browser.
What are the limits?
Text input is limited to 2 MB. Formatting rebuilds the parsed XML and may normalize insignificant whitespace.
Do I need to install anything?
No. Use a modern browser with nothing to install or sign up for.