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XML Minifier

PromoteurTexte

Minify XML online by removing whitespace, line breaks, and comments. Free XML Minifier tool with instant results and file upload support.

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SAISIR

Processus automatique

SORTIR

Côté client

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Guide

XML Minifier

Reduce the size of your XML files by removing unnecessary whitespace, line breaks, and comments. This XML Minifier compresses XML content into a single compact string, making it ideal for reducing payload sizes in APIs, configuration files, and data transfers.

Comment utiliser

Paste your XML content into the input area, or upload an XML file using the file uploader.
The minified output appears automatically in the result field below.
Basculer Supprimer les commentaires to strip XML comments from the output.
Copy the minified XML to your clipboard or download it as a file.

Caractéristiques

Instant minification – Output updates in real time as you type or paste XML.
Comment removal – Optionally strip all XML comments to further reduce file size.
Prise en charge du téléchargement de fichiers – Drag and drop or browse to upload .xml files directly.
Copier et télécharger – One-click copy to clipboard or download the minified result.
Traitement côté client – Your XML never leaves your browser. Nothing is sent to a server.

When to Minify XML

Minified XML is useful when transmitting data over networks where bandwidth matters — REST APIs, SOAP services, mobile apps, and embedded systems. Removing whitespace and comments doesn’t change the structure or meaning of the document, but it can noticeably reduce file size, especially for large or deeply nested XML.

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 FAQ

Does minifying XML change its meaning or structure?

No. Minification only removes insignificant whitespace, line breaks, and optionally comments. The XML document tree and all element values remain identical. Any compliant XML parser will produce the same result from both the original and minified versions.
What is the difference between XML minification and XML compression?

Minification removes human-readable formatting (whitespace, newlines, comments) from the text itself. Compression (like gzip or brotli) encodes the entire file using algorithms to reduce its binary size. They can be combined — minify first, then compress — for maximum size reduction.
Can minified XML break CDATA sections or preserve directives?

A well-built minifier preserves CDATA sections and processing instructions intact, since whitespace inside CDATA is considered significant content. This tool targets whitespace between tags, not within text nodes or CDATA blocks.
Why would you remove XML comments before deployment?

XML comments can contain internal documentation, TODOs, or debugging notes not intended for end users. Stripping them before deployment reduces file size and avoids leaking internal information in public-facing XML feeds or API responses.
Is there a standard for XML whitespace handling?

The XML 1.0 specification defines that whitespace between tags (outside of element content) is not significant and can be safely removed. The xml:space attribute can mark sections where whitespace must be preserved, though most documents don't use it.

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