Convert XML to JSON Online

Moving from XML to JSON brings several advantages for modern development:

• Native JavaScript Support: JSON is native to JavaScript - parsed directly into objects without additional libraries or DOM manipulation.
• REST API Compatibility: Most modern APIs expect JSON. Converting XML data enables integration with contemporary web services.
• Smaller Payload Size: JSON is typically 20-30% smaller than equivalent XML, reducing bandwidth and improving load times.
• Simpler Parsing: JSON parsing is faster and requires less code than XML DOM traversal, reducing development complexity.
• Modern Framework Support: React, Vue, Angular, and other frameworks work natively with JSON data structures.

XML structures map to JSON using these rules:

• Elements to Objects: Each XML element becomes a JSON object with its tag name as the key.
• Attributes to Properties: XML attributes are preserved as properties within the corresponding object.
• Repeating Elements to Arrays: Multiple elements with the same tag name are automatically grouped into JSON arrays.
• Text Content: Element text is mapped to a value property or directly if no other children exist.

Source XML:

<?xml version="1.0" encoding="UTF-8"?>
<library>
  <book id="1">
    <title>The Great Gatsby</title>
    <author>F. Scott Fitzgerald</author>
    <price>12.99</price>
  </book>
  <book id="2">
    <title>1984</title>
    <author>George Orwell</author>
    <price>14.50</price>
  </book>
</library>

Resulting JSON:

{
  "library": {
    "book": [
      {
        "id": "1",
        "title": "The Great Gatsby",
        "author": "F. Scott Fitzgerald",
        "price": "12.99"
      },
      {
        "id": "2",
        "title": "1984",
        "author": "George Orwell",
        "price": "14.50"
      }
    ]
  }
}

Extensible Markup Language uses tags to define a hierarchical data structure. While powerful and self-describing, XML's verbosity made it less suitable for high-volume web data transfer.

• Tags: Define elements with opening <tag> and closing </tag> syntax.
• Attributes: Metadata within opening tags like id="1".
• Namespaces: Allow mixing elements from different vocabularies without name conflicts.
• Encoding: Specified in the declaration, typically UTF-8 for international character support.

JavaScript Object Notation is a lightweight text format for data interchange. It's human-readable, easy to parse, and maps directly to data structures in most programming languages.

• API Migration: Convert legacy SOAP/XML web service responses to JSON for REST API compatibility.
• Configuration Files: Modernize XML configuration to JSON for JavaScript-based build tools and applications.
• Data Pipeline Integration: Transform XML exports from legacy systems for use with modern data processing tools.
• Mobile App Development: Convert XML data feeds to JSON for efficient parsing in iOS and Android applications.

For spreadsheet-friendly output, see our XML to CSV converter or XML to Excel converter.