UnQTools
Developer Runs in your browser

XML Formatter

Format, beautify, minify, and validate XML in your browser. Pretty-print with adjustable indentation, collapse to compact form, and validate well-formedness with line/column error reports. 100% private.

100% Private Works Offline Instant

About XML Formatter

Format, beautify, minify, and validate XML in your browser. Pretty-print with adjustable indentation, collapse to compact form, and validate well-formedness with line/column error reports. 100% private. Everything runs locally in your browser — your data never leaves your device.

How to use

  1. Enter your input in the tool above.
  2. Adjust any options to your preference.
  3. Use the Copy or Download buttons to save the result.
  4. Everything happens locally — your data never leaves your browser.

FAQ

Does this tool send my XML anywhere?

No. Formatting, minification, and validation all happen locally in your browser. Nothing is uploaded, tracked, or stored.

What does it validate?

It checks well-formedness — balanced tags, proper nesting, valid attribute quoting, and single root element — reporting the line and column of any error.

What extras does it have?

Extras: (1) Pretty-print with 2/4/8/tab indent; (2) Minify to one line; (3) Validate with line/column errors; (4) Copy/Download; (5) Character/line/byte counts; (6) Handles comments, CDATA, and processing instructions; (7) Large-input aware (works on sizable docs); (8) 100% offline.