Can XML files be minified and is there an online tool for it?

 Sure, XML files can be compressed. The technique of deleting unneeded characters from code in order to reduce its size and enhance speed is known as minification. This usually entails deleting whitespace, comments, and other extraneous components from the file in XML.

There are several online tools for minifying XML files. Here are a couple such examples:

1. XML Minifier: This is a free online tool for compressing XML files by eliminating extraneous whitespace, comments, and other components. It also has several minification options, such as deleting XML declarations, CDATA portions, and more.
   
   
2. MinifyXML: Another free online tool for reducing the size of XML files by eliminating whitespace, comments, and other features. It also has options for preserving certain components or characteristics in the XML file.
   
   
3. Online XML Tools: This is an assortment of online XML utilities, including a minifier. Whitespace, comments, and other components can be removed from an XML file using the XML minifier tool.

While minifying XML files might help decrease their size and enhance their speed, it can also make them more difficult to read and update. Furthermore, some XML parsers may require specific elements or attributes to be present in a specific sequence, so it's critical to verify the minified XML file to ensure that it still functions as intended.