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JSON to XML Converter

Transforms JSON documents into XML format, enabling data interchange between systems that use different data formats.

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What Is a JSON to XML Converter?

In modern web development, JSON dominates most use cases. However, in finance, government systems, traditional enterprise architectures, and many legacy platforms, XML (eXtensible Markup Language) remains an essential communication format. Whether you need to integrate with SOAP-based web services or comply with strict data validation requirements, our Online JSON to XML Converter provides an efficient, accurate, and privacy-focused solution.

Our JSON to XML Converter is a high-performance online format conversion tool. It parses lightweight JSON (JavaScript Object Notation) data structures and reconstructs them into hierarchical XML documents. This process goes far beyond simple symbol replacement—it represents a logical transformation from a collection of key–value attributes into a structured document tree. The converter is capable of handling complex nested objects, arrays, and numeric types, producing standards-compliant XML tag pairs.

How Does the JSON to XML Converter Work?

  1. Recursive Traversal: The conversion engine recursively scans every key–value pair within the JSON object.

  2. Tag Reconstruction:

    • Object Keys: Automatically converted into opening and closing XML tags (for example, {"key": "value"} becomes <key>value</key>).
    • Array Handling: Detects JSON arrays and expands them iteratively based on predefined rules (such as repeating the parent tag or using a unified child tag).

  3. Special Character Escaping: To ensure the generated XML is valid, the tool automatically escapes special characters such as &, <, and > (for example, converting & to &amp;) to prevent parsing errors.

Why Use XML Technology?

Even in an era dominated by JSON, XML offers irreplaceable advantages in specific domains:

  • Schema Validation: With XSD (XML Schema Definition), XML supports extremely strict type and format validation—far beyond what JSON Schema typically offers.
  • Rich Document Semantics: XML allows attributes to be embedded within tags, enabling more expressive and multi-dimensional data descriptions.
  • Industry Standards: XML remains a globally recognized standard in industries such as banking (ISO 20022), healthcare (HL7), and configuration management.
  • XPath Querying: Combined with XPath, XML enables highly sophisticated data extraction and path-based querying.

Why Choose Our Online JSON to XML Tool?

Privacy-First Design

Many online converters send your JSON data to backend servers for processing, creating potential risks of data logging or leakage. Our JSON to XML Converter runs entirely within your local browser, ensuring that your sensitive data never leaves your device.

Intelligent Array and Object Processing

The tool handles JSON arrays intelligently. Instead of producing flat or cluttered output, it generates clean, well-structured hierarchical nodes that are easy for downstream XML parsers to consume.

Automatic Formatting

The resulting XML is automatically indented and formatted for readability, making it suitable for immediate use in technical documentation or configuration files.

How to Use This Tool

  1. Input JSON: Paste your JSON source code into the input box above, or drag and drop a file directly.
  2. Configure Options: Adjust settings such as the “attribute prefix” and “text node attribute name” in the configuration panel.
  3. Preview and Export: Instantly preview the generated XML in the output pane. You can copy it with one click or download the XML file locally.

Use Cases

  • API Integration: Convert JSON responses from modern REST APIs into XML formats supported by legacy systems.
  • Configuration File Generation: Generate base structures for Android applications (AndroidManifest.xml) or Maven projects (pom.xml).
  • Data Archiving: Leverage XML’s strong self-descriptive nature for long-term data storage and archival.

Frequently Asked Questions

What happens to JSON arrays after conversion?

Each element in the array is mapped to a repeated XML tag with the same name. For example, { "items": [1, 2] } is converted into <items>1</items><items>2</items>.

How are null values in JSON handled?

During conversion, null values are typically transformed into empty tags (for example, { "key": null } becomes <key />).

Do I need to install any plugins to use this tool?

No. This is a pure web-based tool that works directly in your browser, with no plugins or software installation required.

Does it support converting JSON arrays?

Yes. For array structures, the converter generates items tags by default as the parent elements. For example, input [{ "a": 1 }, { "a": 2 }] will be converted into <items><a>1</a></items><items><a>2</a></items>.

What character encoding is used for the generated XML?

UTF-8 is used by default. This is the most widely compatible encoding on the web and supports multiple languages, including Chinese characters.