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XML Minifier

Minifiers

Minify XML data by removing whitespace and comments.

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What XML Minifier does

The XML Minifier removes whitespace, line breaks, and comments between elements to shrink an XML document while keeping its structure and data intact. Paste your XML โ€” a config file, API response, or data export โ€” and get back a compact single-line version that parses identically. Processing happens locally in your browser.

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How to use XML Minifier

  1. Paste your XML content into the input box
  2. Click Minify to strip whitespace, line breaks, and comments
  3. Compare the file size before and after
  4. Copy the minified XML

Who should use it

Made for developers. Typical uses:

  • Shrinking an XML API response before storing it in a database column
  • Compacting a configuration file for deployment
  • Reducing the size of an XML data export before transferring it

Frequently asked questions

Will minifying change what data is in my XML?
No, elements, attributes, and text content are preserved exactly โ€” only whitespace and comments between tags are removed.
Can I still parse the minified XML normally?
Yes, it's still valid XML, just without the formatting whitespace, so any XML parser reads it the same way.
Is it free to use?
Yes, completely free.
Is my XML uploaded anywhere?
No, minification happens locally in your browser.
Does it validate my XML for errors?
It focuses on minifying well-formed XML rather than full schema validation โ€” check your XML's structure separately if you suspect it's malformed.

Learning resources

Explore more in Minifiers, read the guides and articles, or see how we test our tools.

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