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JSON to XML Converter

Convert JSON to XML and XML back to JSON. Configurable root element, attribute prefix, indentation. Runs 100% in your browser.

Reference

How is JSON mapped to XML?

JSON keys become XML elements; scalar values become text content. Arrays become repeated elements with the parent key. JSON has no native attribute concept, so this tool lets you mark certain keys as XML attributes via a configurable prefix (e.g. @id). XML doesn't distinguish strings from numbers, so JSON → XML → JSON round-trips can lose type information.

JSON → XML mapping

  • JSON keys become XML elements.
  • Arrays become repeated elements with the parent key.
  • Keys prefixed with @ become XML attributes.

Common uses

  • Legacy SOAP integration — convert JSON APIs to XML.
  • Config migration — turn XML config into JSON for modern tools.
  • Feed conversion — RSS/Atom (XML) ↔ JSON Feed.
  • Documentation — show both representations side by side.

Privacy

All conversion runs 100% in your browser. No data is sent to any server.

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