XML Formatter & Validator
Format, validate and minify XML — everything runs in your browser
How to Use
Paste XML into the input panel and click Format to pretty-print with syntax highlighting. Click Minify to strip all unnecessary whitespace. The tool validates your XML using the browser's built-in DOMParser and shows any errors.
What Is XML?
XML (Extensible Markup Language) is a markup language for encoding documents in a human-readable and machine-readable format. It's used extensively in configuration files (Maven, Spring, .NET), SOAP web services, RSS/Atom feeds, SVG graphics, and data interchange between systems.
XML vs JSON
JSON is more compact and generally preferred for REST APIs and web applications. XML remains dominant in enterprise systems, SOAP services, document formats (DOCX, XLSX are XML internally), and scenarios requiring schemas, namespaces, or mixed content.