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XML Formatter & Validator

Format, minify, and validate XML online. Pretty-print with custom indent, catch mismatched or unclosed tags with line numbers, all in your browser.

XML input

How to use

  1. Paste XML in the input.
  2. Press Prettify, Minify, or Validate only; set indent for pretty mode.
  3. Copy or download. Errors name the line number.

FAQ

What errors are caught?

Mismatched closing tags, unclosed tags, stray angle brackets, and empty input — each with a line number.

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