ZenovayTools

JSON to XML Converter

Convert JSON to XML and XML to JSON online. Configurable root element name, attribute handling, and pretty-print indentation.

XML Output

<?xml version="1.0" encoding="UTF-8"?>
<root>
  <root>
    <person>
      <name>Alice</name>
      <age>30</age>
      <active>true</active>
      <tags>
        <item>developer</item>
        <item>writer</item>
      </tags>
      <address>
        <city>Berlin</city>
        <country>Germany</country>
      </address>
    </person>
  </root>
</root>

How to Use JSON to XML Converter

  1. 1Paste your JSON or XML into the input area.
  2. 2Choose conversion direction: JSON → XML or XML → JSON.
  3. 3Configure the root element name and indentation, then copy the output.
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Frequently Asked Questions

What are the key differences between JSON and XML?▾
JSON: lightweight, native to JavaScript, better for APIs and web apps. Syntax: {"key": "value"}. Supports arrays natively. No comments (in standard JSON). No attributes — only elements. XML: verbose, supports attributes, comments, namespaces, schemas (XSD), and document-type declarations. Better for enterprise document exchange (SOAP, RSS, Atom, SVG). Syntax: <key>value</key>. JSON is generally preferred for modern REST APIs; XML remains dominant in legacy systems, Microsoft Office formats, and SOAP web services.
How are JSON arrays converted to XML?▾
JSON arrays don't have a direct XML equivalent — arrays must be represented as repeated elements. Convention: if the key is "books" and contains an array, each item becomes <item> or <books> child. Example: {"books": ["one", "two"]} → <books><item>one</item><item>two</item></books>. Some tools use the parent key as the element name for items. Numeric keys are invalid in XML, so array indices are often replaced with "item", "entry", or the singular of the parent key.
How are JSON null, boolean, and number values handled in XML?▾
XML only has text content — all values are serialized as strings. null → <key xsi:nil="true"/> or <key></key>. true/false → "true" or "false" text. Numbers → text representation. This means round-tripping JSON → XML → JSON may lose type information. Some standards use xsi:type attributes to preserve types. When converting XML back to JSON, all leaf text content is a string unless you add a parsing step to detect numbers and booleans.
When should I use XML vs JSON?▾
Use JSON for: REST APIs, browser/server communication, configuration files, NoSQL databases. Use XML for: SOAP web services, RSS/Atom feeds, SVG graphics, Office Open XML formats (docx, xlsx), XHTML, when you need document comments, mixed content (text + markup), or XML Schema (XSD) validation. Use JSON Schema if you need schema validation with JSON. In practice, if you're building a new API today, use JSON unless you have a specific requirement for XML.
What is XSLT and how does it relate to XML conversion?▾
XSLT (Extensible Stylesheet Language Transformations) is a language for transforming XML documents into other XML documents, HTML, or text. An XSLT stylesheet describes rules (templates) to match XML patterns and produce output. Example: transform an XML order document into an HTML invoice. XSLT 1.0 is widely supported; XSLT 2.0/3.0 add functions, grouping, and JSON output support. For simple JSON↔XML conversion, XSLT is overkill — use a library or converter like this tool.