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Convert JSON to XML with root element control. Use for JSON input only; for reverse use xml-to-json, for JSON to YAML use json-to-yaml. Input: JSON ≤10MB. Returns XML or line-numbered JSON error. 100% client-side.
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Transforms JSON objects into well-formed XML with configurable root element names, case conversion (camelCase, snake_case, kebab-case, PascalCase), and intelligent array handling (wrapped/unwrapped). Supports attribute detection via @ prefix, CDATA sections for text-heavy content, and XML declaration toggle.
Many legacy systems, SOAP APIs, and configuration formats still require XML despite JSON's dominance. This tool provides a reliable bridge for data migration, API integration, and cross-format compatibility without manual XML authoring.
This tool is part of the DevStackIO platform — a collection of free online developer tools from DevStackIO. Browse more free developer resources on DevStackIO.
Backend developers working with SOAP APIs, ETL pipeline engineers, DevOps automating XML configuration generation, and anyone migrating data from JSON to XML-based systems.
Paste your JSON object into the input editor; the tool validates JSON syntax and parses the structure
Set the root element name in the configuration panel (defaults to "root" if not specified)
Configure array handling: choose "wrapped" (arrays get a parent wrapper element) or "unwrapped" (repeat the element name)
Enable attribute detection: keys prefixed with @ become XML attributes; nested objects become child elements
Toggle options: XML declaration, CDATA wrapping for long text, and case conversion for element names
Click "Convert" and review the XML preview; copy the result or download as .xml file
Input: {"person":{"@id":1,"name":"Alice","roles":["admin","user"]}} with array handling=wrapped -> Output: <?xml version="1.0" encoding="UTF-8"?><person id="1"><name>Alice</name><roles><role>admin</role><role>user</role></roles></person>Input: {"data":{"content":"Hello <world>"}} with CDATA enabled -> Output: <?xml version="1.0"?><data><content><![CDATA[Hello <world>]]></content></data>Can I control the XML namespace (xmlns) generation?
Namespace support is not automatic; you can add xmlns attributes using the @ prefix convention.
What happens if my JSON key starts with a number?
The tool prepends an underscore or allowed character since XML elements cannot start with digits.
How is the XML declaration handled?
You can toggle it on/off; when enabled it includes version and encoding attributes.
Does it support mixed content (text with child elements)?
Not directly; use CDATA for text-heavy nodes that need to coexist with element children.
Authoritative specifications, standards, and in-depth reading for JSON to XML Converter.
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