XML to JSON Converter - Transform XML Documents to JSON Format

Online XML to JSON Converter. Convert XML documents to JSON objects. Preserves structure, attributes, and data types. Ideal for API migration and data integration.

XML Input

Select a conversion preset to change how XML is mapped to JSON.

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Size: 710 B

Select a conversion preset to change how XML is mapped to JSON.

No JSON Outputs Generated

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Professional XML to JSON Converter - Seamless Data Format Transformation

Transform XML documents into JSON format with intelligent structure mapping and data type preservation. Essential tool for API modernization, web development, and data integration workflows requiring XML to JSON conversion.Related Tools: XML Formatter, XML Compare, XML to CSV

Key Features of OJF

Take control of your data - everything in one place

Advanced XML to JSON Conversion

Convert complex XML documents to structured JSON with intelligent element mapping
Preserve XML hierarchy and nesting in equivalent JSON object structure
Handle XML attributes with configurable mapping to JSON properties or metadata
Support for mixed content XML elements with text and nested elements
Namespace processing with prefix preservation or URI-based property naming
CDATA section handling with proper text content extraction and JSON string formatting
Large XML file processing up to 15MB with efficient streaming conversion
Real-time JSON preview with syntax highlighting and structure validation

Intelligent Data Type Conversion

Automatic data type detection and conversion from XML text to appropriate JSON types
Boolean value recognition from XML text content (true/false, yes/no, 1/0)
Numeric value parsing with integer and float distinction for accurate JSON representation
Date and timestamp conversion with ISO format compliance and timezone handling
Null value handling for empty XML elements with configurable null vs empty string mapping
Array detection for repeating XML elements with consistent JSON array structure
Custom data type mapping rules for domain-specific XML schemas and formats
Validation and error reporting for data type conversion conflicts and issues

Professional JSON Output Options

Multiple JSON formatting styles: compact, pretty-printed, or custom indentation
Configurable property naming conventions: camelCase, snake_case, or preserve original
Root element handling with options for wrapper objects or direct content extraction
Comment preservation where supported by target JSON applications
Metadata inclusion options for XML processing instructions and declarations
Schema-aware conversion for XML Schema (XSD) to JSON Schema transformation
Streaming output for large conversions with progress monitoring and chunked processing
Export options including direct download, clipboard copy, or API endpoint integration

Complete XML to JSON Conversion Masterclass

Upload your XML document or paste XML content into the conversion interface

Review the automatic XML structure analysis and element hierarchy detection

Configure conversion settings: attribute handling, data type mapping, and naming conventions

Select JSON output format: formatting style, indentation, and root element treatment

Preview the JSON output with real-time conversion and syntax validation

Adjust mapping rules for complex structures: arrays, nested objects, and namespace handling

Validate the converted JSON structure and data type accuracy

Download the JSON file or copy the result for integration into your applications

Why Choose Us?

Feature	Online JSON Formatt(OJF)	Other Tools
Data type intelligence	Automatic type detection and conversion	Text-only conversion
Namespace handling	Full namespace processing with options	Basic or ignored
Large file support	Up to 15MB with streaming	2-5MB typical limit
Attribute mapping options	Configurable attribute to property mapping	Fixed mapping strategy
Mixed content handling	Intelligent text and element processing	Basic text extraction
JSON formatting control	Multiple formatting options	Single output format
Real-time preview	Live JSON preview with validation	No preview available
Error handling	Detailed error reporting and recovery	Basic error messages
Schema awareness	XSD to JSON Schema support	Structure-only conversion
Batch processing	Multiple file conversion	Single file only

Frequently Asked Questions

How are XML attributes converted to JSON properties?

XML attributes can be converted to JSON properties using several strategies: as separate properties with @ prefix, merged with element content, or as metadata objects. You can configure the mapping strategy based on your JSON structure requirements and consuming application needs.

What happens to XML namespaces during JSON conversion?

Namespaces are handled intelligently with options to preserve namespace prefixes in property names, use full namespace URIs, or flatten namespaces entirely. The tool maintains namespace context while creating clean, usable JSON structures.

How does the converter handle repeating XML elements?

Repeating XML elements are automatically detected and converted to JSON arrays. The tool analyzes the XML structure to identify patterns and creates consistent JSON arrays, maintaining element order and handling mixed single/multiple element scenarios.

Can I control JSON data types during XML conversion?

Yes, the converter includes intelligent data type detection that recognizes numbers, booleans, dates, and other types from XML text content. You can also define custom type mapping rules for specific elements or use schema information for accurate type conversion.

How do I convert XML with mixed content (text and elements) to JSON?

Mixed content XML is converted using intelligent strategies that preserve both text content and nested elements. You can choose to separate text content from elements, combine them in structured objects, or use content-focused mapping based on your needs.

What JSON formatting options are available for the output?

Choose from compact single-line JSON, pretty-printed with indentation, or custom formatting with specific spacing. You can also control property naming conventions (camelCase, snake_case) and root element treatment for optimal integration with your applications.

Can I convert large XML files to JSON efficiently?

Yes, our converter handles XML files up to 15MB using streaming techniques that minimize memory usage. Large files are processed efficiently with progress indicators, and the JSON output can be streamed for immediate use without waiting for complete conversion.

How do I validate the JSON output from XML conversion?

The tool includes real-time JSON validation during conversion, highlighting any structural issues or syntax problems. You can also export JSON Schema definitions based on the converted structure for ongoing validation in your applications.

Is it possible to convert XML Schema (XSD) information to JSON Schema?

Yes, when your XML includes schema information, the converter can generate corresponding JSON Schema definitions. This helps maintain data validation rules and type constraints when migrating from XML-based to JSON-based systems.

Can I batch convert multiple XML files to JSON?

Absolutely! Upload multiple XML files with similar structures and convert them all to JSON using consistent mapping rules. This is perfect for migrating XML-based data stores or processing multiple XML exports to JSON format for modern applications.