XML Formatter
Format, minify, and validate XML — with clear error messages.
How to use this tool
- 1
Paste your XML into the input box.
- 2
Click "Format" to indent it, or "Minify" to compact it.
- 3
Use "Validate" to check for syntax errors, then copy the result.
Frequently asked questions
Does it validate against a DTD or XSD?+
No, it checks for well-formed XML, not a specific schema.
Is my XML uploaded anywhere?+
No, everything runs locally in your browser.
Does it support namespaces?+
Yes, namespaced XML is formatted and validated correctly.