JSON to XML Converter
The JSON to XML converter writes a JSON structure as an indented XML document. Object keys become element names, arrays repeat their parent element, and any key that is not a valid XML name is sanitised so the output always parses.
XML
Your result will appear here.
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How to use the JSON to XML Converter
- Paste valid JSON — an object or an array both work.
- Set the root element name, and the element name used for entries inside arrays.
- Copy or download the XML.
Example
Input
{"name":"Ada","tags":["a","b"]}
Output
<root>
<name>Ada</name>
<tags>
<item>a</item>
<item>b</item>
</tags>
</root>
Common use cases
- Feeding a legacy system that only accepts XML.
- Producing XML fixtures from JSON test data.
- Converting a configuration file between formats during a migration.
Limitations and things to watch for
- JSON keys that are not valid XML names — those starting with a digit, or containing spaces or symbols — are sanitised, and the original key is preserved in a key attribute.
- JSON null becomes an empty element. Booleans and numbers become their text representation, since XML has no native types.
- Control characters that XML 1.0 forbids are removed from values.
Frequently asked questions
How are JSON arrays represented?
The array key becomes a container element and each entry becomes a child using the item element name you choose, so ["a","b"] under "tags" produces <tags><item>a</item><item>b</item></tags>.
What happens to keys that are not valid XML names?
They are sanitised into a valid name and the original key is kept as a key attribute, so no information is lost.
Is the output indented?
Yes, with two spaces per level, so the result is readable without running it through a formatter.