🔄Converter•Client-side only

XML to JSON Converter

Convert XML code or uploaded XML files into clean, structured JSON with attributes and namespaces preserved.

🧰All JSON Tools
Valid XML with attributes, tags, and namespaces
31 lines•1,062 chars•1.0 KB
Upload .xml Fileor drag & drop

Supported: .xml,.txt (Up to 5.0 MB)

Deterministic conversion preserving attributes and structure
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📋 XML to JSON Conversion Rules & Specification

Unlike crude regex converters that lose XML metadata, our deterministic engine follows strict rules to preserve attributes, hierarchies, and arrays without losing information:

1. XML Attributes

Attributes are prefixed with @ to avoid collision with child tags. E.g. <book id="1"> becomes "@id": 1.

2. Repeated Elements → Arrays

When two or more sibling tags share the same name (such as <tag> or <item>), they are automatically collated into an array in document order.

3. Element Text Nodes

If an element contains both attributes and inner text, the text is mapped to #text. If an element has only text and no attributes, it converts directly to a clean scalar value.

4. Namespaces & Empty Tags

Namespace prefixes (e.g. <inv:sku>) are fully preserved. Empty tags (e.g. <tag/>) map to null.

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Complete Guide to XML to JSON Conversion

Convert complex XML documents into clean JSON payloads with attributes, arrays, and namespaces intact.

Why Convert XML to JSON?

XML was the standard data exchange format of the early web (SOAP services, RSS feeds, SVG, and legacy enterprise databases). However, modern web and mobile applications almost exclusively use JSON due to its native support in JavaScript and superior compactness.

Using our free online XML to JSON converter makes legacy feeds directly consumable by modern front-ends, REST APIs, and NoSQL databases like MongoDB without writing complex backend parsing scripts.

  • Significantly smaller payload sizes without redundant closing tags.
  • Native parsing in JavaScript with JSON.parse() without complex DOM traversing.
  • Seamless compatibility with TypeScript interfaces and modern frameworks.
  • Pre-testing payloads for cloud workflows like Power Automate and Zapier.

Understanding XML vs JSON Structural Differences

XML supports both attributes and child elements, whereas JSON only supports key-value pairs. Our converter bridges this gap deterministically using the industry-standard @attribute and #text conventions.

  • Attributes become @attr fields to distinguish metadata from element values.
  • Repeated tags automatically merge into JSON arrays in document order.
  • Namespaces (e.g. inv:sku) are preserved intact.
  • CDATA blocks are unescaped and stored as clean string values.

Frequently Asked Questions About XML to JSON Conversion

How do you convert XML to JSON online?
Paste your XML string into the editor or upload an .xml file. Click "Convert to JSON" to parse the document tree and generate clean, formatted JSON. You can copy the result or download it as a .json file immediately without any software installation.
How are XML attributes represented in the JSON output?
XML attributes are converted into object properties prefixed with an "@" symbol (for example, id="42" becomes "@id": 42). This standard convention prevents collisions with child tags that share the same property name.
How does the converter handle repeated child tags?
When an XML element contains multiple sibling elements with identical tag names, our converter collates them into an ordered JSON array representing each record in sequence.
Can I use this for Power Automate convert XML to JSON workflows?
Yes! Many developers and automation engineers use this tool to preview and test payloads before setting up Power Automate convert XML to JSON or convert JSON to XML expressions (such as json(xml(...))). You can verify your converted JSON structure instantly.
Is this XML to JSON converter safe from XXE (XML External Entity) attacks?
Yes. Our parser runs entirely inside your client browser and explicitly disables DOCTYPE external subsets, system entities, and external DTD fetching, making it immune to XXE and SSRF attacks.
Does the tool upload my XML file to an external server?
No. The entire parsing and serialization process executes locally in your browser memory. Your confidential XML payloads, enterprise records, and data feeds are never uploaded.