XML Beautifier and Formatter

Transform any XML document into clean, readable format with our free online XML beautifier

All code runs locally in your browser — nothing ever leaves your device
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What is XML Formatter?

XML Formatter is a specialized tool designed to format and beautify XML documents according to W3C standards and industry best practices. XML (eXtensible Markup Language) is a widely-used markup language for data storage, configuration files, web services, and document exchange, requiring consistent formatting for maintainable and readable structured data.

Our XML formatter ensures your documents follow established XML conventions and maintains consistency across your development team and data integration projects, embracing standards for interoperability and data exchange.

Key Benefits:

  • W3C Standards Compliance: Apply official XML specifications and industry-standard formatting conventions automatically
  • Data Integration Focus: Optimize formatting for APIs, web services, configuration files, and data exchange workflows
  • Modern XML Features: Support for namespaces, schemas, XSLT, and advanced XML processing technologies
  • Validation Enhancement: Structure documents to improve XML validation and schema compliance
  • Cross-Platform Compatibility: Format XML for compatibility across different systems and programming languages

Perfect for web developers, system integrators, data engineers, and development teams working with APIs, configuration management, and data exchange systems.

XML Formatting Options

Configure XML formatting to match industry standards and team preferences. Our formatter supports comprehensive options for modern XML features, data structures, and integration workflows.

Indentation Settings

  • Element and attribute indentation (2 spaces standard)
  • Nested element alignment
  • CDATA section formatting
  • Comment and processing instruction structure

Code Structure Options

  • XML declaration and encoding specification
  • Namespace declaration organization
  • Element and attribute ordering
  • Document type definition structure

XML-Specific Features

  • Schema and namespace formatting
  • Entity reference organization
  • Mixed content handling
  • Whitespace preservation patterns

Advanced Formatting

  • SOAP and web service structure
  • Configuration file optimization
  • Data validation and schema compliance
  • Performance and parsing optimization

How to Use XML Formatter:

  1. Upload your XML file or paste structured data directly into the editor
  2. Select your preferred formatting options (W3C standards, indentation, namespace settings)
  3. Click "Format" to apply XML best practices and improve document readability
  4. Use fullscreen mode for large configuration files and complex data structures
  5. Copy the formatted output for integration or validate with XML development tools

Integration Support: Works seamlessly with XML development tools including VS Code with XML extensions, XMLSpy, and web service frameworks. Compatible with modern XML standards and popular technologies for data exchange, configuration management, and API development.