XML Minifier
Minify XML data by removing whitespace and line breaks. Validate and compress XML documents instantly.
Features
- ✓Remove whitespace and line breaks from XML documents
- ✓Validates XML syntax before minifying
- ✓See original vs minified size and savings percentage
- ✓Works entirely offline — your data never leaves your browser
- ✓Copy minified output with one click
- ✓Handles large XML files with complex nested structures
How to Use
- 1Paste your XML data into the input field
- 2Click "Minify" to compress the XML
- 3View the minified output and size savings on the right
- 4Click "Copy" to copy the minified XML to your clipboard
Examples
Input
<?xml version="1.0" encoding="UTF-8"?>
<bookstore>
<book category="fiction">
<title>The Great Gatsby</title>
<author>F. Scott Fitzgerald</author>
<price>10.99</price>
</book>
</bookstore>Output
<?xml version="1.0" encoding="UTF-8"?><bookstore><book category="fiction"><title>The Great Gatsby</title><author>F. Scott Fitzgerald</author><price>10.99</price></book></bookstore>
Input
<config>
<database>
<host>localhost</host>
<port>5432</port>
<name>myapp_db</name>
</database>
<cache>
<enabled>true</enabled>
<ttl>3600</ttl>
</cache>
</config>Output
<config><database><host>localhost</host><port>5432</port><name>myapp_db</name></database><cache><enabled>true</enabled><ttl>3600</ttl></cache></config>
What Is XML Minification?
XML minification removes all unnecessary whitespace from XML documents — indentation, line breaks, and spaces between tags — to produce the smallest possible file. The minified XML is structurally identical to the original and will be parsed the same way by any XML processor.
XML is still widely used in enterprise systems, SOAP APIs, configuration files (pom.xml, web.xml, .csproj), RSS/Atom feeds, and data interchange formats like SVG. In many of these contexts, file size matters: smaller XML files mean faster parsing, lower bandwidth usage, and reduced storage costs.
This tool validates your XML before minifying it. If the document contains syntax errors — like unclosed tags, mismatched elements, or invalid characters — the tool will catch the error and report it. This makes it a useful quick XML validator as well.
The minification process removes whitespace between tags (> <) and collapses line breaks. It does not modify tag names, attributes, text content, CDATA sections, or processing instructions. The output is a valid XML document that any parser will handle correctly.
All processing happens in your browser using the native DOMParser API. Your XML data — whether it contains configuration secrets, internal schema definitions, or proprietary data formats — is never uploaded to any server. Fast, private, and zero-dependency.