Format, beautify, validate or minify XML online for free. Choose your indentation, fix hard-to-read markup, then copy or download a clean result.
Your XML stays on your device and is never uploaded.
Paste your XML, choose Beautify or Minify, and select Format XML. This online XML formatter validates the document first, so mismatched tags and malformed markup are caught before a result is created.
See a clear error when the XML parser finds invalid syntax, missing closing tags or malformed attributes.
Indent with two spaces, four spaces or tabs. Minify when you need compact XML without extra formatting whitespace.
Everything runs locally in your browser. API responses, configuration files and other XML never leave your device.
An XML formatter adds consistent indentation and line breaks so nested elements are easier to scan without changing the XML structure.
Yes. Your document is parsed before formatting, and a helpful message appears when the syntax is invalid.
Yes. Select Minify to remove formatting whitespace and return a compact single-line result.
Yes. XML declarations, comments, CDATA sections and document type declarations are retained.
No. Validation and formatting happen locally in your browser.