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XML Formatter & Beautifier

Paste raw or minified XML and instantly format it with proper indentation and syntax highlighting. Supports custom indent size and downloads as .xml.

Indent:
Input
Output
Ready — paste your input and click Format
Try a sample: Simple XML Book Catalog RSS Feed Config File
📊 Stats
Lines
Elements
Attributes
Size
⌨️ Shortcuts
Ctrl+EnterFormat XML
Ctrl+MMinify XML
Ctrl+Shift+CCopy output
Ctrl+LClear all
TabInsert indent in editor
💡 Tips
🏷️
Well-formedness — every opening tag must have a matching closing tag.
🔤
Case-sensitive — XML tags are case-sensitive. <Item><item>.
📋
Attributes must have values in double quotes: id="1".
🔒
100% private — all processing runs in your browser. Nothing is uploaded.

What is an XML Formatter?

An XML formatter (beautifier) takes compact, minified or poorly-indented XML and re-formats it with consistent indentation, making the structure and hierarchy immediately readable. It also validates that the XML is well-formed in the process.

Common XML Use Cases

  • Formatting API responses from SOAP or REST endpoints that return XML
  • Reading and editing configuration files (.xml, .config, .plist)
  • Working with RSS and Atom feeds, SVG files, and Android layouts
  • Debugging malformed XML before processing it in code

Frequently Asked Questions

Well-formed XML follows the basic syntax rules: every tag is closed, attributes are quoted, and there is a single root element. Valid XML additionally conforms to a specific schema (DTD or XSD). This tool checks well-formedness — the browser's DOMParser validates structure without a schema.
Common issues include unclosed tags, mismatched tag names (case matters), unquoted attribute values, or special characters like & and < inside text content that aren't escaped as & and <.
Yes. The formatter preserves all namespace declarations and prefixes (xmlns:, xsi:, etc.) exactly as written.
Done!