Is this converter free to use?

Yes, our XML & JSON Converter is completely free to use without any limitations.

Is my data uploaded to a server?

No, all conversion logic runs locally in your web browser. Your data is never sent to or stored on any server, which guarantees your privacy and security.

What happens to XML attributes during conversion?

Our converter intelligently handles XML attributes. By default, they are mapped to a specific key in the resulting JSON object, prefixed with '@_', to ensure that no data is lost during the XML to JSON conversion process.

Are there any libraries required for this tool to work?

Yes, this tool relies on the 'fast-xml-parser' library to handle the complex logic of parsing and building XML. The library is loaded automatically from a CDN when you visit the page. An active internet connection is needed for the initial load.

XML to JSON Converter | Free & Secure Online Tool

Efficient XML & JSON Conversion

Q: How do I use the converter?

Simply paste your XML or JSON code into the input box. Then, click the appropriate button ('XML to JSON' or 'JSON to XML'). The converted output will appear instantly in the result area below, ready for you to copy.

Seamlessly convert data between XML and JSON formats. Fast, secure, and entirely client-side for complete privacy.

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XML & JSON Data Converter

Paste your code, select the conversion direction, and get the result instantly.

XML & JSON Converter

Input

Why Use Our Converter?

Our tool provides an intuitive and fast way to convert data formats directly in your browser.

Bidirectional Conversion

Easily convert from XML to JSON and from JSON back to well-formatted XML with a single click.

Instant & Local

All processing happens in your browser for maximum speed. No server-side delays or waiting queues.

Privacy Focused

No uploads to servers. Your sensitive data never leaves your device, ensuring complete privacy.

How It Works

Converting your data is simple with our straightforward three-step process.

1. Paste Your Code

Copy your source data and paste it directly into the input area of our converter.

2. Choose Conversion

Click the "XML to JSON" or "JSON to XML" button to instantly perform the conversion.

3. Copy the Result

Your converted data will appear in the output area. Use the "Copy" button to grab it for your use.

A Developer's Guide to XML vs. JSON

Understand the key differences, strengths, and use-cases for these two essential data-interchange formats.

The Foundation of Data Exchange

In the world of software development and web services, data needs to be structured so it can be reliably shared and understood between different systems. XML (eXtensible Markup Language) and JSON (JavaScript Object Notation) are two leading formats designed for this exact purpose. While both are used to store and transport data, they have fundamental differences in syntax, structure, and common applications.

XML: The Structured Veteran

XML was designed to be both human- and machine-readable. It uses a tag-based syntax, similar to HTML, where data is enclosed in opening and closing tags. It is highly flexible and self-descriptive, allowing for complex data structures with metadata stored in attributes.

Key Features:

Verbose and Descriptive: Its tag structure makes it very readable and easy to understand the data's hierarchy.
Strictly Defined: XML documents must be "well-formed," following strict syntax rules, which ensures consistency.
Supports Namespaces: This avoids conflicts when combining XML documents from different sources.
Supports Comments and Attributes: Allows for in-line documentation and metadata within tags.

Common Use Cases: Configuration files (e.g., Maven, Android manifests), document-centric formats (e.g., RSS, SOAP), and legacy enterprise systems.

JSON: The Lightweight Champion

JSON originated from a subset of JavaScript and has become the de-facto standard for modern web APIs. Its syntax is minimal, using key-value pairs, which maps directly to objects and arrays in most programming languages.

Key Features:

Lightweight and Concise: JSON has less syntactic overhead, resulting in smaller file sizes and faster parsing.
Easy to Parse: Its structure is simple and maps directly to native data structures in JavaScript and other languages.
Human-Readable: Despite being less verbose than XML, it is still very easy for humans to read and write.
Limited Data Types: Supports strings, numbers, booleans, arrays, and objects (nulls).

Common Use Cases: RESTful APIs, modern web applications, NoSQL databases, and general data exchange between services.

XML vs. JSON: A Head-to-Head Comparison

While our tool makes converting between them easy, understanding their core differences helps you choose the right format for a new project.

Syntax: XML uses tags (<user>...</user>) while JSON uses key-value pairs ("user": "...").
Verbosity: XML is generally more verbose due to its closing tags, making files larger. JSON is more concise.
Parsing: JSON is typically faster and easier for machines to parse, especially in web environments with native browser support.
Data Types: JSON has a defined set of data types (string, number, boolean). XML treats all data as strings unless a schema (DTD or XSD) is used to specify types.
Flexibility: XML's support for attributes, namespaces, and comments gives it more structural flexibility for complex, document-oriented data.

Why Convert Between XML and JSON?

Developers often need to convert between these formats. For example, you might need to:

Consume data from an older, XML-based enterprise API (like SOAP) in a modern JavaScript application that prefers JSON.
Integrate a modern JSON-based service with a legacy system that requires XML input.
Transform configuration data from one format to another for use in different tools or platforms.

Our converter simplifies this process, providing a quick and secure way to bridge the gap between these two powerful data formats, all without your data ever leaving your browser.

Frequently Asked Questions

Find answers to common questions about our XML & JSON Converter.

What does this tool do?

This tool allows you to seamlessly convert data between XML (eXtensible Markup Language) and JSON (JavaScript Object Notation) formats, supporting both conversion directions.

Is this data converter free to use?

Yes, our XML & JSON Converter is completely free to use for all your data conversion needs.

Is my data secure?

Absolutely. All conversion processing happens locally in your browser. Your data is never sent to any server, ensuring 100% privacy and security.

How are XML attributes handled?

The converter maps XML attributes to JSON properties, typically with a special prefix (like @_) to distinguish them from regular element values. This ensures a lossless conversion from XML to JSON.

How do I use the converter?

Simply paste your XML or JSON into the input area, click the corresponding conversion button, and the formatted output will be generated below, ready for you to copy.

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