XML to JSON Formatter

Converts XML data into JSON with deterministic structure, preserving hierarchy, attributes, and text nodes for developers, data engineers, and API integrators.

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3,796+

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 XML to JSON Formatter 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

The tool converts XML data into JSON with deterministic mapping for reliable data exchange.
It parses the XML hierarchy, preserving element nesting, attributes, and text nodes, and outputs a clean JSON structure. Repeated elements are converted to arrays to reflect multiple items, while attributes are represented with a distinct prefix to differentiate from child elements. Namespace handling can be configured to ignore or simplify, ensuring consistent results across sources. The transformation is deterministic, enabling repeatable tests and contract verification for APIs and data pipelines. This makes it suitable for developers, data engineers, QA teams, and system integrators who rely on JSON based workflows and automated data ingestion.

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How to Use

Provide XML input to the tool.
Set options for formatting and attribute handling.
Run transformation to generate JSON.
Review the produced JSON for structure and data fidelity.
Export or copy the JSON for integration or testing.

Frequently Asked Questions

Find Quick Answers

What formats are supported?

Input must be XML text and output is JSON text. The tool preserves hierarchy, maps attributes with a prefix, handles repeated elements as arrays, and can ignore namespaces if configured.

How are attributes and namespaces handled?

Attributes become properties with a prefix such as @. Namespaces can be ignored or simplified based on configuration; repeated namespace declarations are collapsed and do not affect the JSON shape.

Can large XML files be processed?

Conversion uses in memory processing by default. Very large inputs may approach memory limits; consider splitting the XML into smaller fragments or using streaming options if available.

Is the JSON output schema stable across runs?

Yes, the mapping is deterministic for a given input and configuration. Changing options like pretty printing or attribute prefixes will alter the schema, but identical settings yield identical results.

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