JSON to XML Converter
Convert JSON to XML in your browser. Handles nested objects and arrays. Nothing uploaded.
Pure browser JavaScript — no external libraries.
How to use this tool
- Paste JSON.
- Set the root element name.
- Click Convert and download the XML.
Convert JSON to XML in your browser. Handles nested objects and arrays. Nothing uploaded.
How it works
The JSON to XML Converter transforms a JSON object into equivalent XML markup in your browser. JSON and XML are both hierarchical data formats but have different syntax: XML supports attributes, namespaces, comments, and mixed content, while JSON is more compact and natively supported in JavaScript.
The converter maps JSON keys to XML element names and JSON values to element text content or child elements. Arrays are represented by repeating the parent element name for each item. A configurable root element wraps the output since XML requires exactly one root node.
Use this tool when you need to feed data from a JSON API into an XML-based system such as a SOAP web service, an XSLT pipeline, a legacy enterprise integration, or an RSS/Atom feed generator.
Nothing is uploaded -- conversion runs entirely in JavaScript in your browser, so it is safe for sensitive data.
Worked example
Convert a product JSON record to XML for a catalog system
- Paste the JSON: {"name": "Widget", "price": 9.99, "tags": ["sale", "new"]}
- Click Convert.
- Copy the XML output.
- Paste it into your XML catalog import file or validate it against your schema.
Common mistakes to avoid
- Using JSON keys that contain spaces or special characters -- XML element names cannot contain spaces. Use camelCase or underscores in your JSON keys before converting.
- Expecting JSON null values to produce a specific XML representation -- null maps to an empty element or is omitted depending on the converter's settings.
- Forgetting to validate the output against your target XML schema -- conversion produces syntactically valid XML, but schema conformance must be checked separately.
Key terms
- XML element
- A named tag pair (
content ) that wraps content in XML, analogous to a JSON key-value pair. - Root element
- XML requires exactly one top-level element that contains all other elements. The converter wraps the output in a configurable root tag.
- SOAP
- Simple Object Access Protocol -- a web service protocol that uses XML for message formatting, commonly used in enterprise and legacy systems.
Frequently asked questions
- How are arrays handled?
- Each array element becomes a repeated sibling element with the same tag name.