How to Use Free Online XML to JSON Converter
Our free online XML to JSON converter transforms XML documents into clean, structured JSON format instantly. Simply paste your XML data, choose conversion options, and get properly formatted JSON output. Perfect for API integration, data migration, and web development workflows.
Key Features
- Real-time XML validation and error detection with line numbers
- Configurable attribute handling (ignore, prefix, or group)
- Support for CDATA sections, comments, and namespaces
- Multiple conversion presets (Minimal, Standard, Detailed, API Ready)
- Value type parsing (strings to numbers/booleans)
- Order preservation for maintaining XML structure
- Performance statistics showing conversion time and size
- One-click copy to clipboard and download as JSON file
- Handles complex XML features like processing instructions
- Completely secure - all processing happens in your browser
XML Features Supported
Basic XML Elements
- XML tags and nested elements
- Text content and mixed content
- Empty elements and self-closing tags
- XML declarations and encoding
Advanced XML Features
- XML attributes and boolean attributes
- CDATA sections for literal text
- XML comments and processing instructions
- Namespaces and namespace prefixes
Conversion Options Explained
Attribute Handling
- Ignore Attributes: Skip all XML attributes in JSON output
- Attribute Prefix: Add prefix like "@_" to distinguish attributes
- Group Attributes: Collect all attributes under single "@" key
- Parse Values: Convert attribute values to proper types
Content Processing
- Parse Node Values: Convert text to numbers/booleans
- Trim Values: Remove extra whitespace from text
- Preserve Order: Maintain original XML element order
- Process Entities: Handle HTML/XML entities
Common Use Cases
API Development
Convert XML API responses to JSON for modern web applications and JavaScript frameworks.
Data Migration
Transform legacy XML data formats to JSON for NoSQL databases and modern data systems.
Configuration Files
Convert XML configuration files to JSON format for easier parsing and manipulation.
Preset Configurations
Quick Start Presets
- Minimal: Basic conversion ignoring attributes and comments
- Standard: Balanced conversion with common options enabled
Advanced Presets
- Detailed: Comprehensive conversion preserving all XML features
- API Ready: Optimized for API consumption with clean structure
Why Use Our XML to JSON Converter?
Developer-Friendly
Built by developers for developers with features like syntax highlighting, error reporting, and performance metrics to help you understand your data conversion process.
Production Ready
Powered by fast-xml-parser, a battle-tested library used in production applications worldwide. Handles large XML files efficiently with detailed error reporting.
Frequently Asked Questions
Is this XML to JSON converter free?
Yes, completely free with no signup required and no conversion limits.
Is my XML data secure?
Absolutely. All conversion happens locally in your browser - no data is sent to servers.
What XML file sizes are supported?
Handles files up to several MB efficiently, with performance metrics to track conversion speed.
Does it handle XML attributes?
Yes, with configurable options to ignore, prefix, or group attributes as needed.
Can it preserve XML element order?
Yes, enable "Preserve Order" option to maintain original XML structure in JSON.
Does it support CDATA and comments?
Yes, both CDATA sections and XML comments can be preserved with custom tag names.
What about XML namespaces?
Full namespace support with options to preserve or remove namespace prefixes.
Can I download the converted JSON?
Yes, one-click download as .json file or copy formatted JSON to clipboard.
Does it validate XML syntax?
Yes, real-time validation with detailed error messages including line and column numbers.
Are there preset configurations?
Yes, choose from Minimal, Standard, Detailed, or API Ready presets for common use cases.
Can it parse XML values to proper types?
Yes, automatically converts strings to numbers, booleans, and handles leading zeros.
Does it work offline?
Yes, once loaded it works completely offline as all processing is client-side.