What data types are supported in the conversion?

The converter supports all standard JSON data types including strings, numbers (integers and floats), booleans (true/false), null values, objects, and arrays. During XML conversion, strings are properly escaped, numbers are converted to text content, booleans are represented as text, and complex structures (objects and arrays) are converted to hierarchical XML elements. The converter also handles nested objects and arrays with proper structure preservation and maintains data type integrity throughout the conversion process.

How does the XML formatting work?

The XML output is automatically formatted with proper indentation and line breaks for maximum readability. The formatter analyzes the XML structure and adds appropriate whitespace to create a hierarchical layout that clearly shows the nesting levels. Each nested element is indented consistently, making it easy to understand the data structure and debug any issues. The formatting preserves all XML content while improving readability for human review and debugging purposes.

Can I convert very large JSON or XML files?

Yes, the converter can handle files of significant size depending on your browser's memory capacity. The client-side processing ensures fast performance even with large datasets. However, very large files might impact browser performance, so consider processing them in smaller chunks if you experience slowdowns. The tool provides size statistics to help you understand the scope of your data and make informed decisions about batch processing larger files.

How accurate is the bidirectional conversion?

The bidirectional conversion maintains high accuracy for standard data structures. JSON to XML conversion preserves all data and structure integrity. XML to JSON conversion is also highly accurate for well-formed XML, though complex XML features like mixed content (text mixed with elements) may be simplified to fit JSON's stricter structure. The converter handles most common use cases with perfect round-trip conversion, and provides detailed statistics to help you verify conversion accuracy.

What happens if my JSON or XML has syntax errors?

If your input contains syntax errors, the converter will provide detailed error messages explaining the specific issues found. For JSON, this includes missing quotes, trailing commas, malformed brackets, or invalid characters. For XML, this includes unclosed tags, invalid characters, or structural problems. The error messages are designed to be helpful and provide guidance on how to fix the issues, making it easier to correct your input and achieve successful conversion.

Is my data secure when using this converter?

Absolutely! All conversion processing happens entirely in your browser using client-side JavaScript. Your JSON and XML data never leaves your device or gets sent to any external servers. This ensures complete privacy and security for sensitive information, proprietary data, or confidential configuration files. You can safely convert sensitive business data, personal information, or confidential technical documentation without any privacy concerns.

How does the converter handle special characters and encoding?

The converter properly handles special characters, Unicode content, and international text encoding in both directions. JSON strings containing XML special characters ( , &) are automatically wrapped in CDATA sections when converting to XML to preserve the content integrity. XML content is properly decoded when converting to JSON, ensuring that all character encoding is preserved. The converter supports UTF-8 and other common character encodings to handle international characters correctly.

What are the main differences between JSON and XML formats?

JSON is generally more compact and easier to read than XML, with simpler syntax and less verbose tagging. XML provides more structure and validation capabilities through schemas, while JSON is more naturally aligned with programming language data structures. XML supports more complex features like namespaces and mixed content, while JSON provides simpler array handling and object notation. The converter helps you work with both formats depending on your specific requirements and system compatibility needs.

JSON to XML Converter

Convert between JSON and XML formats instantly with bidirectional conversion, automatic formatting, validation, and comprehensive data type support. Perfect for API integration, data interchange, and format transformation with robust error handling and real-time statistics.

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Quick Presets

Common JSON/XML samples for quick conversion

Input & Settings

Enter JSON to convert to XML, or XML to convert to JSON

How it works: Parses the JSON and recursively converts each key-value pair to XML elements. Arrays become repeated elements, objects become nested elements, and primitive values become text content.

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