Free XML Formatter Online - Beautify & Validate XML

XML Document Formatting

XML documents can become deeply nested with configuration files, SOAP messages, and data exports often spanning hundreds of lines. Proper formatting reveals the hierarchical structure that makes XML powerful.

Formatting Features

• Indentation: Visual nesting shows parent-child relationships
• Line breaks: Each element on its own line for clarity
• Attribute alignment: Multi-attribute elements formatted consistently
• Comment preservation: XML comments maintained in output

Validation

The formatter checks well-formedness: matching tags, proper nesting, and valid character encoding. Syntax errors are highlighted with line numbers and descriptions.

Enterprise Use Cases

XML remains important in enterprise systems: SOAP web services, SVG graphics, Office document internals, and configuration files all use XML. Formatting helps debug and understand these documents.