XML to JSON Converter: Format & Convert

Free XML to JSON Converter - Real-Time Conversion with Resizable Split View

Convert XML to JSON instantly with our free online converter featuring real-time conversion, resizable split-screen panels, and advanced parsing options. Transform XML from SOAP services, RSS feeds, or configuration files into JSON for modern web applications, REST APIs, and JavaScript frameworks—all processed securely in your browser.

Key Features

  • Real-Time Auto-Convert - See JSON output instantly as you type or paste XML
  • Resizable Split View - Adjust panel sizes with draggable handle for optimal workspace
  • Fullscreen Mode - Maximize input or output panels for focused editing
  • Custom Indentation - Choose 2 spaces, 4 spaces, tabs, or compact formatting
  • Attribute Prefix Control - Customize how XML attributes map to JSON properties (@_ default)
  • Ignore Attributes Option - Strip XML attributes entirely if not needed
  • Value Parsing - Automatically convert numeric and boolean strings to native JSON types
  • File Upload Support - Load XML files directly from your computer
  • Sample Data Generator - Load example XML to test conversion instantly
  • One-Click Download - Export converted JSON as .json file
  • Copy to Clipboard - Copy JSON output with single click
  • Character Counter - Track input/output sizes in real-time
  • Error Validation - Clear error messages for malformed XML
  • 100% Client-Side - All processing happens locally, no data sent to servers

XML to JSON Converter Comparison: SimplyUtils vs Competitors

Feature
SimplyUtils
Code Beautify
ConvertJSON
FreeFormatter
Real-Time Auto-Convert
Resizable Split View
Fullscreen Panel Mode
Custom Attribute Prefix
Ignore Attributes Option
Automatic Value Parsing
Indentation Options
4 Types
Limited
2 Types
Limited
File Upload
Sample Data Generator
Character Counter
Download JSON
Mobile Responsive
Partial
Partial
Partial

Why Choose SimplyUtils Over Code Beautify

Code Beautify requires manual conversion with a "Convert" button, while SimplyUtils offers real-time auto-conversion that updates JSON instantly as you type or paste XML. Our resizable split view lets you adjust panel sizes to your preference, unlike Code Beautify's fixed layout. SimplyUtils also provides advanced parsing options like custom attribute prefixes, ignore attributes toggle, and automatic value type conversion—features Code Beautify lacks entirely.

Why Choose SimplyUtils Over ConvertJSON

ConvertJSON offers basic XML to JSON conversion but lacks the interactive features that make SimplyUtils stand out. While ConvertJSON requires clicking "Convert" for each change, SimplyUtils updates in real-time, saving you clicks and time. Our fullscreen mode lets you maximize either panel for focused work on large XML files, and the character counter helps track file sizes—both missing from ConvertJSON. Plus, SimplyUtils includes a sample data generator to test conversion instantly without hunting for example XML.

Why Choose SimplyUtils Over FreeFormatter

FreeFormatter provides reliable conversion but with a dated interface and limited customization. SimplyUtils offers a modern, responsive design with resizable panels that adapt to your workflow— whether you're on desktop or mobile. While FreeFormatter only offers basic indentation control, SimplyUtils lets you customize attribute prefix mapping, toggle attribute inclusion, and control value parsing behavior. Our real-time conversion eliminates the need to repeatedly click "Convert" as you refine your XML, making the workflow significantly faster than FreeFormatter's manual approach.

Why Convert XML to JSON?

  • Modern API Integration - Use XML data from SOAP services in REST API applications
  • JavaScript Compatibility - JSON is native to JavaScript, making browser processing effortless
  • Reduced Payload Size - JSON is typically more compact than XML, improving network performance
  • NoSQL Databases - MongoDB, Couchbase, and other NoSQL databases prefer JSON format
  • Easier Parsing - JSON parsing is faster and simpler than XML in most programming languages
  • Frontend Frameworks - React, Vue, and Angular work naturally with JSON data structures

Understanding XML to JSON Conversion

Converting XML to JSON involves translating XML's hierarchical document structure to JSON's object notation:

  • Elements to Properties - XML elements become JSON object properties with element names as keys
  • Text Content - Element text content becomes property values (stored as #text when attributes exist)
  • Attributes - XML attributes convert to JSON properties with configurable prefix (default @_)
  • Repeated Elements - Multiple elements with the same name automatically become JSON arrays
  • Nested Elements - Child elements become nested JSON objects, preserving hierarchy
  • Value Parsing - Numeric strings ("123") and booleans ("true") convert to native JSON types

Handling XML Attributes in JSON

XML attributes don't have a direct JSON equivalent, so converters use special naming conventions. SimplyUtils uses the @_ prefix by default (customizable), so <book isbn="12345">Title</book> becomes { "book": { "@_isbn": "12345", "#text": "Title" } }. You can customize the prefix to match your API requirements or toggle "Ignore Attributes" to strip them entirely if your application doesn't need attribute data.

Common Use Cases

  • API Modernization - Migrate from SOAP/XML APIs to REST/JSON architecture
  • RSS Feed Processing - Convert RSS/Atom XML feeds to JSON for web applications
  • Data Migration - Transfer data from XML databases to JSON-based NoSQL systems
  • Frontend Development - Process XML responses in React, Vue, or Angular applications
  • Mobile App Integration - Convert XML web service data for iOS/Android apps
  • Configuration Files - Transform XML configs to JSON for modern application frameworks
  • Legacy System Integration - Bridge old XML-based systems with new JSON APIs

Conversion Best Practices

  • Validate XML First - Ensure well-formed XML before conversion to avoid parsing errors
  • Understand Attribute Mapping - Know how your target system expects XML attributes in JSON
  • Test Array Detection - Verify repeated elements are correctly identified as JSON arrays
  • Choose Appropriate Indentation - Use compact format for production, pretty format for debugging
  • Enable Value Parsing - Convert numeric/boolean strings to native types for proper data typing
  • Preserve Semantics - Ensure converted JSON maintains the original XML data meaning

Tips for Using the Converter

  • Toggle "Auto-Convert" off when pasting large XML files to prevent lag during paste
  • Use the resizable handle to adjust panel sizes based on your XML/JSON complexity
  • Click fullscreen mode when working with large files for better visibility
  • Load sample data to understand how attributes and nested elements convert
  • Customize attribute prefix to match your API's expected format (@, $, or custom)
  • Use "Ignore Attributes" when converting XML where attributes aren't needed
  • Enable "Parse Values" to convert numeric strings to actual numbers in JSON

Whether you're migrating from Code Beautify's manual conversion, seeking ConvertJSON's simplicity with better features, or upgrading from FreeFormatter's dated interface, SimplyUtils provides the most modern and feature-rich XML to JSON conversion experience. Paste your XML above to convert it to JSON instantly with real-time updates, resizable panels, and advanced parsing options—all processed securely in your browser.