XML Formatter
Pretty-print, minify and balance-check XML. Nothing is uploaded — all processing is local.
Why format XML?
Machine-generated XML often arrives as one long line, which makes it hard to read or diff. Pretty-printing re-indents each nested element so the structure is visible; minifying does the reverse, stripping inter-tag whitespace to shrink a payload. This tool also reports whether open and close tags balance, which catches a common class of malformed input — though it is not schema (XSD) validation. Comments, processing instructions and CDATA are preserved on their own lines. It is the XML counterpart to the JSON formatter; convert text with the text case converter, and convert a whole Markdown document with the markdown to HTML tool (on the tools hub).
Frequently asked questions
What does the XML formatter do?
It pretty-prints XML with your chosen indentation, minifies it onto one line, and reports whether the tags balance - a quick well-formedness signal.
Can I choose the indent size?
Yes. Pick 2, 3 or 4 spaces; the formatter re-indents each nested element accordingly.
Does it validate XML against a schema?
No. It checks that open and close tags balance, which catches a common class of malformed input, but it is not schema validation (XSD) and does not check element names or attributes.
Does it preserve comments and CDATA?
Yes. Comments, processing instructions and CDATA sections are kept as their own lines rather than being stripped or reflowed.
Is my XML uploaded anywhere?
No. Formatting and minifying happen in your browser with built-in JavaScript. Nothing is uploaded.
How is this different from the JSON formatter?
It is the XML counterpart: the JSON formatter pretty-prints JSON, this one pretty-prints XML, and together they cover the two common data-interchange formats.