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XML to JSON Conversion: Modernise Your Data

Parse XML to JSON to work with legacy SOAP responses, RSS feeds, configuration files, and any XML-based API directly in modern JavaScript or Python applications.

Array Detection: Repeated sibling tags are automatically grouped into arrays.
Privacy-First: All conversion happens in your browser — nothing is uploaded.

Why Convert XML to JSON?

JSON is lighter, easier to parse, and natively supported by every modern web framework. Converting XML responses from SOAP services, RSS feeds, or configuration files into JSON lets you consume the data with standard JSON.parse() and modern tooling without heavyweight XML libraries.

Reference guide

XML to JSON Conversion Guide

Mapping Rules

Root element becomes a top-level JSON key.
Child elements become nested object keys.
Attributes are prefixed with @ (e.g., @id).
Text content with sibling elements uses a #text key.
Repeated tags are collapsed into a JSON array.

Quick Example

Input XML

                    <users>
  <user id="1">
    <name>Alice</name>
  </user>
  <user id="2">
    <name>Bob</name>
  </user>
</users>

Output JSON

                    {
  "users": {
    "user": [
      { "@id": "1", "name": "Alice" },
      { "@id": "2", "name": "Bob" }
    ]
  }
}

Common Use Cases

SOAP APIs

Parse legacy SOAP/WSDL responses into JSON to feed modern REST clients or front-end frameworks.

RSS / Atom Feeds

Convert syndication feeds into JSON arrays for easy rendering in news readers or aggregators.

Config Files

Transform Maven pom.xml, Android or Spring XML configs into JSON for quick inspection.

Convert XML to JSON in Python, JavaScript & Java

Beyond online conversion, developers frequently need to convert XML to JSON programmatically. In Python, the xmltodict library is the go-to choice — it maps XML elements to Python dictionaries and attributes to prefixed keys, making it a one-liner to parse XML as JSON. In JavaScript, the browser's DOMParser API or libraries like fast-xml-parser and xml2js provide similar functionality with streaming support for large payloads. Java and Kotlin developers can use Jackson's XmlMapper to convert XML directly into the same POJO models used for JSON deserialization.

For one-off conversions — pasting a SOAP response, an RSS feed, or an exported config — our free XML to JSON converter online is the fastest option. No library installation, no boilerplate code. Paste your XML, click convert, and copy the clean JSON output directly into your codebase, Postman collection, or data pipeline.

Handling SOAP Responses, RSS Feeds & Legacy XML Integration

SOAP-based web services remain widespread in banking, healthcare (HL7/FHIR), and enterprise ERP systems. When you consume a SOAP endpoint, the response arrives as verbose XML wrapped in <Envelope> and <Body> elements. Converting SOAP XML to JSON lets you work with the data using standard REST tooling, integrate it into modern microservices, and store it efficiently in document databases like MongoDB or DynamoDB.

RSS and Atom feeds are another common use case. News aggregators, podcast platforms, and content readers all need to transform XML feed data to JSON for JavaScript frontends and mobile apps. Our converter handles namespaced XML elements, CDATA sections, and attributes gracefully, producing clean, normalized JSON compatible with any modern consumer.

For detailed conversion strategies, XML namespace handling, and pitfalls to avoid, read our XML to JSON conversion guide and our JSON vs XML comparison for modern APIs.

XML to JSON: Key Mapping Rules Explained

Understanding how XML maps to JSON helps you predict converter output and write reliable parsers. XML elements become JSON object keys. Attributes are typically mapped to keys with an @ prefix (e.g., @id). Text content in an element with attributes becomes a #text key. Repeated elements at the same level become JSON arrays. Empty elements become empty strings or null values depending on the library. Knowing these rules helps you navigate the output and select the right deserialization strategy for your application. After converting, use our JSONPath Tester to query specific values from the resulting JSON, or generate a JSON Schema to document the converted structure.

Frequently Asked Questions

Is my data safe with this JSON tool?

Yes. This tool uses 100% client-side processing. Your JSON data never leaves your browser and is never sent to our servers, ensuring maximum privacy and security.

Does this tool work offline?

Once the page has loaded, all processing happens locally in your browser. You can disconnect from the internet and the tool will continue to work — no server connection is required to format, validate, or convert your JSON.

Is there a file size limit?

No server-side limits apply because everything runs in your browser. Practical limits depend on your device's memory, but modern browsers handle JSON files of tens of megabytes without issue.

How are XML attributes handled in the JSON output?

XML attributes are converted to keys prefixed with @ — for example, an id="1" attribute becomes "@id": "1" in the JSON object alongside the element's child keys.

When does the converter create JSON arrays?

Whenever two or more sibling elements share the same tag name, they are automatically grouped into a JSON array. A single element under a tag stays as a plain object.

Does this work with SOAP envelope XML?

Yes. The converter handles any well-formed XML, including SOAP envelopes. Simply paste the full XML response and the entire tree — including SOAP headers and body — will be represented as JSON.