XML Formatter
Format, validate, and beautify XML documents with syntax highlighting and error detection
XML Input
Formatted Output
Advanced Options
Professional XML Processing Features
Everything you need to work with XML data efficiently and professionally
XML Validation
Instantly validate XML syntax with detailed error reporting, schema validation, and well-formedness checking.
Smart Formatting
Beautiful XML formatting with customisable indentation, attribute sorting, and intelligent whitespace management.
XPath Testing
Test XPath expressions against your XML documents with instant results and element highlighting.
Format Conversion
Convert XML to JSON and vice versa with intelligent mapping and structure preservation.
Compression & Minification
Compress XML for production use or expand minified XML for better readability during development.
Privacy & Security
All processing happens locally in your browser. Your data never leaves your device, ensuring complete privacy and security.
How It Works
Simple steps to process your XML like a pro
Input XML
Paste your XML data, upload a file, or load a sample to get started quickly.
Choose Action
Select from format, validate, minify, XPath testing, or conversion operations.
Customise Options
Adjust formatting preferences, validation rules, and display settings.
Export Results
Copy to clipboard, download as file, or continue editing in the professional editor.
Professional XML Formatter & Validator
Trusted by millions of developers worldwide for reliable XML processing
Built by Experts
Our XML formatter is developed by experienced software engineers with deep expertise in XML processing and web standards. Built using industry standards including W3C XML specifications, it delivers professional-grade results every time.
Key Technical Features:
- • W3C XML 1.0 and 1.1 compliant parsing and validation
- • Advanced error detection with precise element-level reporting
- • XPath 1.0 and 2.0 expression testing support
- • Schema validation (XSD) and DTD support
- • Support for large XML files up to 50MB
Trusted & Secure
Trusted by developers at Fortune 500 companies, government agencies, and educational institutions worldwide. Our commitment to privacy and security means your XML data never leaves your browser.
Security & Privacy:
- • 100% client-side processing - data never sent to servers
- • No tracking, cookies, or data collection
- • HTTPS encryption for secure connections
- • Open-source validation algorithms
- • GDPR and CCPA compliant
Comprehensive XML Processing Capabilities
Advanced Validation
Comprehensive XML syntax checking with detailed error messages, schema validation, and well-formedness checks.
Intelligent Formatting
Professional beautification with customisable indentation, attribute sorting, and comment preservation.
XPath Testing
Interactive XPath expression testing with real-time results and element highlighting.
Format Conversion
Convert between XML and JSON formats with intelligent structure mapping and data preservation.
Performance Optimised
Handle large XML files efficiently with optimised parsing algorithms and memory management.
Professional Editor
VSCode-powered Monaco Editor with XML syntax highlighting, auto-completion, and advanced editing features.
Trusted Across Industries
Development & Engineering
- Web service API response processing
- Configuration file validation and formatting
- SOAP message debugging and testing
- Database schema and metadata processing
Data & Analytics
- RSS and Atom feed processing
- Sitemap generation and validation
- Document transformation and migration
- Enterprise data interchange (EDI)
Why Professionals Choose EZ Formatter
Join millions of developers who trust our XML formatter for their daily development workflow. No registration required, completely free, and built with privacy in mind.
Frequently Asked Questions
Common questions about Xml Formatter formatting answered
The formatter performs well-formedness checking and basic validation. It checks proper tag nesting, attribute syntax, and XML declaration compliance following W3C XML 1.0/1.1 specifications.
Yes, the built-in XPath tester lets you write and evaluate XPath 1.0 and 2.0 expressions against your XML document, highlighting matching elements and showing results instantly.
Yes, the formatter correctly processes XML documents with namespaces, preserving namespace declarations and prefixes while formatting elements and attributes properly.
Yes, the conversion feature lets you transform XML to JSON and back with intelligent mapping that preserves element structure, attributes, and data types.
The XML formatter supports files up to 50MB with optimized parsing algorithms, making it suitable for large configuration files, SOAP messages, and data interchange documents.