JSON to XML Converter Online

JSON arrays are converted to repeated XML elements with the same tag name. For example, "items": [1, 2, 3] becomes <item>1</item><item>2</item><item>3</item>. For arrays of objects, each object becomes a full element with child elements. This follows the standard JSON-to-XML mapping convention used by most enterprise tools.

Yes. JSON properties prefixed with "@" are converted to XML attributes on the parent element. For example, {"@id": "123", "@class": "main", "name": "Test"} becomes <root id="123" class="main"><name>Test</name></root>. This convention gives you full control over whether data becomes an element or an attribute.

Absolutely. This converter is ideal for creating SOAP XML payloads. Convert your JSON request data to XML, then wrap the output in the appropriate SOAP envelope and namespace declarations required by your specific SOAP service. Many developers use this as the first step in building SOAP request bodies from REST API data.

Yes. The converter guarantees well-formed XML output — all elements are properly nested, special characters are escaped, and the XML declaration is included. The output passes xmllint, W3C validator, and other standard XML validation tools. Note that schema validation (XSD) depends on your specific schema requirements.

XML remains essential in several domains: SOAP web services in banking, healthcare, and government; RSS/Atom feeds for content syndication; document formats like DOCX, XLSX, and SVG; regulated industries with established XML standards (HL7/FHIR, FpML, XBRL); and enterprise middleware like ESBs and message queues. While JSON dominates APIs, XML is deeply embedded in enterprise infrastructure.

JSON null values are converted to empty XML elements by default (e.g., <field/>). This is the most common convention and ensures the element is present in the XML structure, which matters for schema validation. Some systems interpret missing elements differently from empty ones.

Yes! AllJSONTools has a dedicated XML to JSON converter that parses XML and produces clean JSON output. The round-trip conversion preserves data structure and values. XML attributes are mapped back to "@" prefixed properties, and repeated elements become JSON arrays.

XML element names cannot start with numbers or contain certain special characters. The converter automatically sanitizes invalid JSON keys by prefixing numeric keys with an underscore and replacing invalid characters, ensuring the output is always valid XML.

Yes. By default the root element is named "root", but you can configure the root element name in the converter options. This is useful when your target system expects a specific root element like "data", "response", or a domain-specific name.