XML Formatter
Pretty-print, validate and minify XML documents entirely in your browser.
What is the XML Formatter?
The XML Formatter pretty-prints, validates and minifies XML in your browser. Paste one-line XML and get cleanly indented markup; paste something broken and the well-formedness check points out the error.
Comments, CDATA sections and namespaces are preserved in both format and minify modes.
How to use the XML Formatter
- 1Paste your XML into the input area.
- 2Pick an indent size (2 or 4 spaces).
- 3Click "Format" to pretty-print or "Minify" to strip whitespace.
- 4Click "Validate" for a well-formedness check without altering the input.
Key features
- Pretty-printing with configurable indent
- Well-formedness validation
- Minify mode for production payloads
- Preserves comments, CDATA and namespaces
Frequently asked questions
Does the tool validate against a schema?
It checks well-formedness (correctly nested tags), not XSD schema conformance.
Can I format very large XML?
Yes — files up to several megabytes work smoothly on desktop browsers.
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