Transform your XML workflow with our comprehensive formatter featuring real-time XML formatting and validation, interactive tree visualization, powerful XPath query engine, XSD schema generator, XML transformation to JSON/CSV/HTML, side-by-side diff comparison, advanced namespace management and analysis, performance analysis and metrics, import/export file support, syntax highlighting with error detection, history and favorites management, and multiple formatting options—essential for developers, enterprise systems, data integration, and any XML processing task.
Basic XML document with simple elements
XML with namespaces and prefixes
XML with attributes and mixed content
Complex nested XML structure
Configuration-style XML
XML with mixed text and element content
Use SAX parsing and streaming for better performance with large XML files and datasets
Our formatter uses efficient DOM parsing and memory management to handle files up to 50MB
All processing happens locally with entity expansion protection and size limits to prevent XML-based attacks
Integrated XPath querying, XSD generation, and transformation tools streamline your XML workflow
- Maria S., XML Developer“This XML formatter is exceptional! The XPath querying and real-time validation have transformed how I work with XML. The visual tree view and schema analysis are incredibly powerful.”
Use 2-space indentation for optimal readability and file size balance
Validate XML early in development to catch well-formedness errors quickly
Use the tree view to understand complex nested XML structures
Generate XSD schemas for API documentation and validation
Use XPath queries to efficiently extract data from complex XML documents