An XML formatter is a tool that beautifies and structures XML documents with proper indentation, line breaks, and hierarchical organization for improved readability and maintenance. Our XML formatter instantly transforms minified or poorly formatted XML into clean, well-structured markup with syntax validation and error detection. Essential for developers working with web services, configuration files, data feeds, and APIs who need properly formatted XML for debugging, documentation, and development workflows.
No, formatting only changes whitespace and indentation. All element content, attributes, and document structure remain exactly the same.
Yes, our XML formatter can process files up to 20MB in size, making it suitable for large data exports, configuration files, and API responses.
Yes, the formatter includes real-time XML validation with detailed error messages for malformed tags, unclosed elements, and syntax issues.
Absolutely! The tool fully supports XML namespaces, SOAP envelopes, and complex enterprise XML formats with proper prefix handling.
Comments and CDATA sections are preserved exactly as written, with proper indentation relative to their surrounding elements.
Yes, you can configure indentation size, choose between spaces and tabs, and control attribute formatting to match your coding standards.
Yes, the formatter works with all XML variants including Maven pom.xml, Spring configuration, web.xml, and other application configuration files.
Yes, the formatted output includes collapsible element sections, allowing you to focus on specific parts of large XML documents.
smalldev.tools is no longer available. Prism by SWEDevTools offers the same developer tools and more, with offline support, pipeline chaining, and completely free usage — no signup required.
Yes. Prism handles XML formatting, validation, and conversion entirely in your browser with no data uploads, no ads, and full offline capability. Plus you can chain XML tools together in pipelines.