XML Formatter & Validator

Format, validate and minify XML online. Indent cleanly, break attributes onto lines, sort attributes, collapse empty tags, strip comments and convert XML to JSON.

  • Free, no sign-up
  • Runs in your browser
  • Your data stays private

How to use the XML Formatter & Validator

  1. Paste XML or upload a file.
  2. Choose Beautify, Minify or Convert to JSON.
  3. Copy the result. Errors show the line and column.

Why use this XML Formatter & Validator

  • Real validationUses the browser XML parser to report well-formedness errors with line and column.
  • Attribute controlKeep attributes inline, break at three or more, or one per line, optionally sorted.
  • XML to JSONAttributes become @name keys and repeated tags become arrays.
  • Tree viewExplore the document structure in a collapsible tree.

Frequently asked questions

How do I format XML?

Paste the XML and choose Beautify. Elements are indented and short text elements stay on one line.

How do I validate XML?

Validation is automatic. If the XML is not well-formed you see the error with its line and column.

Can it convert XML to JSON?

Yes. Choose Convert to JSON for a structured JSON version of the document.

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