XML Formatter
Pretty-prints XML documents with proper tree indentation, validates structure, and reorganizes attributes for maximum readability.
How to Use the XML Formatter
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Frequently Asked Questions
Indentation style?
Configurable nesting depth with attribute alignment options.
Invalid XML?
Malformed markup highlights the failure point instead of guessing.
Namespaces preserved?
Yes — namespace prefixes and URIs survive formatting untouched.
Is my XML uploaded anywhere?
No — formatting runs locally in your browser, free with no signup.
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Last updated October 2026