XML Formatter
Parse and reformat XML documents with proper indentation.
All processing happens in your browser. No data is sent to any server.
Input
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Output
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How It Works
The XML Formatter uses the browser's native DOMParser API to parse your XML into a Document Object Model tree. It then recursively walks the tree and serializes it back to text with proper indentation at each nesting level, producing clean, readable XML output.
The formatter handles elements, attributes, text content, CDATA sections, comments, and processing instructions. Self-closing elements (those without children or text content) are written in compact self-closing form. Parse errors are reported clearly if your XML is malformed.
All processing uses browser-native APIs and runs entirely on your device. No data is transmitted to any server.