XML Formatter
Format, validate, and minify XML documents. Pretty-print XML with configurable indentation.
XML - Technical Details
XML (Extensible Markup Language) is a markup language for encoding documents. Formatting XML with proper indentation makes it human-readable while minifying reduces file size.
Command-line Alternative
# Format XML with xmllint xmllint --format input.xml > formatted.xml # Validate XML xmllint --noout input.xml