Convert XML to JSON Online

Easily transform your XML data into clean JSON format. This converter handles complex nested structures and attributes, making it perfect for API integrations and modern web applications.

XML to JSON Converter

Convert XML data to JSON format instantly.

XML Input

Pretty print JSON

JSON Output

JSON output will appear here...

How It Works

This XML to JSON converter transforms XML documents into JSON format, handling nested elements, attributes, arrays, and text nodes. It's essential for modern web development where APIs typically use JSON instead of XML.

The conversion process:

Parse XML: The XML document is parsed into a tree structure of elements, attributes, and text.
Transform nodes: Each XML element becomes a JSON object. Child elements become nested objects or arrays.
Handle attributes: XML attributes are prefixed (commonly with @) to distinguish from child elements.
Detect arrays: Repeated elements at the same level are converted to JSON arrays automatically.

The converter preserves all data from the original XML while transforming it into the more compact, JavaScript-friendly JSON format used by modern applications.

When You'd Actually Use This

Modernizing Legacy APIs

Convert XML API responses to JSON for integration with modern JavaScript applications.

Data Migration Projects

Transform XML data exports into JSON for importing into new systems or databases.

Web Scraping Results

Convert scraped XML data (like sitemaps) into JSON for easier processing and storage.

Configuration File Conversion

Transform XML configuration files to JSON for applications that prefer JSON config.

RSS/Atom Feed Processing

Convert RSS or Atom feeds to JSON for easier manipulation in JavaScript applications.

SOAP to REST Migration

Convert SOAP XML responses to JSON when migrating from SOAP to REST APIs.

What to Know Before Using

XML attributes need special handling

Attributes become prefixed keys (like @id) in JSON. Your code needs to handle this convention when accessing attribute values.

Single vs multiple elements creates different structures

One <item> becomes an object. Multiple <item> elements become an array. Code should handle both cases.

Text content location varies

Element text may be in a special key like #text or directly in the object. Check your converter's convention.

XML namespaces may be preserved or stripped

Namespaces add complexity. Some converters strip them; others include them as attributes. Choose based on your needs.

Large XML files may impact performance

Very large documents take time to parse and convert. Consider streaming converters for multi-megabyte files.

Common Questions

How are XML attributes represented in JSON?

Commonly with @ prefix (e.g., @id, @class). Some converters use $ for attributes and # for text. Check the output format.

What happens to XML comments?

Most converters ignore comments since JSON has no comment standard. If you need comments, they may be stored in a special field.

Can I convert JSON back to XML?

Yes, but it's not always perfectly reversible. Attribute information may be lost if not properly marked. Use a dedicated JSON-to-XML converter.

How are mixed content (text + elements) handled?

Tricky! Some converters put text in #text field. Others create arrays mixing strings and objects. Complex mixed content may need custom handling.

Is the conversion lossless?

Data-wise, yes. Structure-wise, XML and JSON are different. All values are preserved but the representation changes.

What about XML declarations and encoding?

XML declaration (<?xml version='1.0'?>) is typically dropped. JSON is always UTF-8, so encoding is handled automatically.

Can I customize the output format?

Some converters allow options: attribute prefix, text field name, array wrapping. Check available settings for your specific needs.

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