How to use
- Paste XML or load the sample.
- Choose whether numbers and booleans should be converted.
- Copy the JSON or download it.
Options explained
- Attributes
- An attribute such as id="bk101" becomes the key "@id". Text next to attributes goes into "#text".
- Repeated elements
- Elements that appear more than once under the same parent become a JSON array; a single element stays an object.
- Convert numbers and booleans
- When on, 44.95 becomes a number and true a boolean. Turn it off to keep codes such as 00123 exactly as written.
Example
This XML, including a declaration and a comment:
<?xml version="1.0"?>
<!-- c -->
<catalog>
<book id="bk101" in_stock="true">
<title>XML Guide</title>
<price currency="USD">44.95</price>
<tag>a</tag><tag>b</tag>
<isbn>00123</isbn>
</book>
</catalog>becomes this JSON with Convert numbers and booleans on:
{
"catalog": {
"book": {
"title": "XML Guide",
"price": {
"#text": 44.95,
"@currency": "USD"
},
"tag": [
"a",
"b"
],
"isbn": 123,
"@id": "bk101",
"@in_stock": true
}
}
}Attributes are listed after the child elements. The declaration and comment are gone, and tag became an array because it appears twice. With the option off, 44.95 stays “44.95”, isbn stays “00123” and the attribute becomes “true” as text. It affects attribute values as well as element text.
Frequently asked questions
What happens to comments and the XML declaration?
They are dropped, because JSON has no place for them. Element and attribute data is kept.
Why is a list sometimes an object instead of an array?
XML does not say whether an element can repeat. With a single occurrence the converter cannot know it is a list, so it produces an object.
What if the XML is invalid?
The first error is reported with its line number, for example a closing tag that does not match.
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