Question 1

What is XML to JSON conversion?

Accepted Answer

XML to JSON conversion transforms XML (Extensible Markup Language) data into JSON (JavaScript Object Notation) format. JSON is lighter, easier to parse in JavaScript, and widely used in modern web APIs and applications.

Question 2

How are XML attributes handled?

Accepted Answer

XML attributes are converted to JSON keys prefixed with @ — for example, an attribute id="1" becomes "@id": "1" in the JSON output. This makes it easy to distinguish between element content and attributes.

Question 3

What happens to repeated XML elements?

Accepted Answer

When multiple sibling elements have the same tag name, they are grouped into a JSON array. For example, multiple <book> elements become an array under the "book" key.

Question 4

Is this conversion lossless?

Accepted Answer

Not always. XML supports features like processing instructions, comments, namespaces, and mixed content that cannot be perfectly represented in JSON. Basic data structures convert cleanly, but complex XML documents may lose some metadata.

Question 5

What is the difference between XML and JSON?

Accepted Answer

XML uses tags with opening and closing elements and supports attributes, namespaces, and schemas. JSON uses key-value pairs and arrays, is more compact, and is natively supported by JavaScript. JSON is generally preferred for APIs, while XML is common in legacy systems and document formats.

XML to JSON

Frequently Asked Questions

Comments & Feedback