XML Formatter
Validate and pretty-print XML with readable indentation locally in your browser.
XML input
Formatted XML
Format and validate XML
The browser parses the document first. If the XML is not well formed, the tool reports an error instead of producing misleading output.
Private by design
Formatting happens locally in your browser. The XML is not uploaded to KRIYANO.
Related tools
For other structured formats, use the YAML Validator or JSON Minifier.
How to use this tool effectively
Validate XML syntax and pretty-print nested elements with readable indentation. This is useful for configuration files, SOAP payloads, feeds and legacy integrations where compact XML is difficult to inspect.
Common uses
- Pretty-print minified XML returned by an API or integration.
- Catch mismatched tags and malformed document structure.
- Review nested attributes and elements during debugging.
- Prepare an XML example for documentation or support tickets.
Example: format a compact document
<user><id>7</id><name>Ana</name></user>
<user> <id>7</id> <name>Ana</name> </user>
Indentation makes the tree structure visible without changing the logical element hierarchy.
Common mistakes to avoid
- Well-formed XML is not necessarily valid against an XML Schema or DTD.
- Whitespace can be meaningful inside mixed-content XML, so review sensitive document types before replacing production files.
- Namespaces affect element meaning even when local tag names look identical.
XML parsing and formatting happen locally in the browser. The document is not sent to KRIYANO.
Frequently asked questions
What is the difference between well-formed and valid XML?
Well-formed XML follows the basic XML syntax rules. Valid XML additionally conforms to a declared schema or DTD.
Can this tool fix broken XML automatically?
It can report parsing problems, but automatically guessing the intended structure of malformed XML can be unsafe. Fix the source based on the reported issue.
Does formatting remove XML attributes or namespaces?
A formatter should preserve document data while changing whitespace. Review output if your XML relies on unusual whitespace-sensitive content.