JSON to XML Converter

Transforms JSON into well-formed XML quickly for developers and data engineers.

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1,068+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

Worked Example & Common Values

Below is a sample worked calculation demonstrating how JSON to XML Converter processes input data instantly inside your browser.

Sample Input Minified string: {"id":1,"status":"active","roles":["admin"]}

Computed Result

{
  "id": 1,
  "status": "active",
  "roles": [
    "admin"
  ]
}

Execution Mode Client-Side In-Browser JS

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About This Tool

This tool converts JSON to XML by parsing the JSON input and constructing a corresponding XML tree. Object keys become element tags, arrays produce repeated child elements, and primitive values appear as element text. For example, {"person":{"name":"Alex"}} yields Alex. The process is deterministic and suitable for automation in data pipelines.
The core logic supports optional customization, such as overriding the root element name and enabling pretty-printed output for readability. Attribute-style mapping can be achieved with a convention (prefix keys with @ to mark attributes) and is optional. The tool focuses on producing valid XML with appropriate escaping of special characters in text nodes.
Use cases include API payload migration, data export to legacy systems, and configuration translations where XML is required downstream.

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How to Use

Provide inputs: paste valid JSON into the input field.
Configure options: set an optional root element name and toggle pretty printing if needed.
Run conversion: the tool generates XML immediately or on demand in batch mode.
Review outputs: inspect the XML text for structure and validity.
Export: copy to clipboard or download as an XML file.

Frequently Asked Questions

Find Quick Answers

What formats are supported?

The tool accepts standard JSON input (objects, arrays, strings, numbers, booleans, null) and outputs a well-formed XML document. It does not transform JSON-LD or non-JSON payloads. If the input is malformed, a descriptive error is returned to guide correction.

How does it handle JSON arrays?

JSON arrays produce repeated child elements under a common parent. If item objects have keys, those keys become child elements; primitive items are emitted as text content. For homogeneous arrays, the element name is derived from the array's parent key or a configured item name.

Can I customize the root element name or mappings?

Yes. You can override the root element name with root_name and specify basic attribute-style mappings by using a convention (prefix keys with @ to mark attributes). These options enable integration with existing XML schemas while preserving the deterministic mapping rules.

Is the tool free and can I automate it?

The conversion capability is provided as a free online tool. It is suitable for automation in pipelines via API access or batch processing in your CI/CD or data workflow, depending on the deployment context and integration requirements.

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