XML Formatter
Format XML with proper indentation, and catch malformed markup.
Free No signup Runs in your browser — nothing uploaded
Result
How to use the XML Formatter
- Paste your content, or load a file.
- The result appears as you type.
- Copy or download the output.
Frequently asked questions
- Does it validate against a DTD?
- No — it checks the markup is well-formed, not that it matches a schema.
- Do my files get uploaded?
- No. This tool runs entirely in your browser, so the file never leaves your device.