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XML to JSON Converter

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

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What Is an XML to JSON Converter?

In today’s digital landscape, data exchange sits at the core of the internet. Whether you are a front-end developer, back-end engineer, or data analyst, you will frequently encounter scenarios that require converting data between different formats. XML (eXtensible Markup Language) and JSON (JavaScript Object Notation) are the two most widely used data formats today. XML, originating in the 1990s, is known for its strong self-descriptive nature and strict hierarchical structure. JSON, on the other hand, has become the preferred choice for modern Web APIs thanks to its concise syntax, human readability, and native support in JavaScript.

Our XML to JSON Converter is a purpose-built tool designed to transform tag-based XML structures into lightweight, key–value–oriented JSON objects. By parsing XML elements, attributes, and text nodes, then remapping them into JSON objects and arrays, the converter enables seamless interoperability between the two formats.

How Does This Converter Work?

  1. DOM Parsing: The tool first parses the input XML string into a Document Object Model (DOM) tree.

  2. Node Mapping:

    • Element nodes: Converted into JSON keys.
    • Attributes: Depending on your configuration, typically converted into child properties with an @ prefix.
    • Text nodes: Mapped to a designated property name (such as #text).
  3. Array Detection: When multiple sibling nodes share the same tag name, the converter automatically groups them into a JSON array for easier iteration and processing.

  4. Real-time Rendering: All conversion logic runs locally in your environment, delivering an instant “input-to-output” experience.

Why Convert XML to JSON?

Although XML is powerful and expressive, JSON offers clear advantages in modern development workflows:

  • Lightweight: JSON eliminates verbose closing tags, resulting in smaller payloads and reduced bandwidth usage.
  • Faster Parsing: Browsers provide native JSON.parse() support, which is significantly more efficient than XML parsers.
  • Developer-Friendly: JSON maps directly to JavaScript objects, enabling immediate use in code without complex DOM manipulation.
  • Industry Standard: The vast majority of RESTful APIs and NoSQL databases (such as MongoDB) are built around JSON.

Why Choose Our Online Converter?

While many conversion tools are available, ours stands out in several key areas:

Maximum Privacy Protection

Unlike tools that transmit your data to remote servers, all conversion logic in our tool runs entirely within your browser.

  • No server uploads: Your sensitive data never leaves your device.
  • Zero data leakage risk: No concern about confidential XML configuration files being intercepted by third parties.

High Level of Customization

  • Custom attribute prefixes: Change the default @ prefix to any symbol you prefer.
  • Flexible text node handling: Define how text content is represented in JSON (e.g., #text or value).

User-Centered Experience

  • One-click copy and download: Save results directly to your clipboard or download them as a .json file.
  • Automatic formatting: Output JSON is prettified with proper indentation, making it clear, readable, and ready to use.

How to Use This Tool

You can complete the conversion in just three simple steps:

  1. Paste or upload: Paste your XML source into the “Input XML” text area, or upload a file using the dashed upload box.
  2. Configure preferences: Adjust the “Attribute Prefix” and “Text Node Property Name” in the configuration panel.
  3. Get the result: View the converted output in real time in the “Output JSON” section, then copy or download it using the provided icons.

Frequently Asked Questions

Is this converter free to use?

Yes. This tool is completely free for developers, with no feature restrictions or usage limits.

Is my data safe during the conversion?

Absolutely. All processing is performed locally in your browser. No data is uploaded to our servers, ensuring your privacy and protecting sensitive information.

Can it handle large XML files?

Yes. Leveraging modern browser capabilities, it can efficiently parse XML files of several megabytes. For extremely large files, performance depends on your system’s memory and processing power.

Does the generated JSON comply with standards?

Yes. The output conforms to the RFC 8259 specification, ensuring compatibility with all modern programming languages such as Python, JavaScript, Java, and Go.

What happens if there are multiple XML elements with the same name?

The converter automatically detects them and aggregates them into a JSON array, which aligns with common development and data-processing practices.