XML Formatter, Validator & Tree Viewer — Free & Private

Format, beautify, minify, and validate XML in your browser. Explore structure in an interactive tree, test XPath expressions, and convert to JSON — no upload, no signup.

Your data never leaves your browser

Indent

Preserve comments

Sort attributes

Word wrap

XML input

Editor

Output

Formatted XML appears here when input is valid.

XML formatterXML validatorTree viewerXPath testerXML to JSONWeb Worker

How to use

Paste or upload XML into the input panel.
Validation runs automatically with line-level error details.
Click Format to beautify or Minify to compress whitespace.
Use the Tree tab to explore nodes and copy XPath paths.
Switch to XPath to test expressions, or JSON to convert output.

Examples

Minified → formatted

<catalog><book id="bk101"><title>XML Guide</title></book></catalog>

<catalog>
  <book id="bk101">
    <title>XML Guide</title>
  </book>
</catalog>

FAQ

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