Free JSON to XML Converter Online — No Signup Required

Converting JSON to XML is required when integrating with legacy SOAP APIs, XML-based messaging systems (like XMPP or AS2), or enterprise middleware that predates JSON's widespread adoption. Many banking, healthcare (HL7 FHIR), and government systems still use XML as the primary data exchange format, and modern REST APIs that return JSON need to be translated before sending data to these systems. This converter maps JSON objects to XML elements, arrays to repeated sibling elements, and scalar values to element text content.

The mapping follows a practical convention: JSON keys become XML element names, string/number/boolean values become element text content, and null values become empty elements. Arrays are handled by repeating the parent element for each item. One limitation: XML element names cannot start with numbers or contain spaces, so JSON keys that are not valid XML names are sanitized. The output wraps content in a configurable root element — `<root>` by default — since valid XML documents require exactly one root.