This allows you to apply an XSLT stylesheet to your current XML document. Notepad++ will ask for the .xsl or .xslt file and then open the transformation result in a new tab.

This transforms: <root><person age="30"><name>John</name></person></root>

One missing closing tag, one misplaced ampersand, or an incorrect namespace prefix can break an entire pipeline. While full-fledged IDEs like IntelliJ or VS Code offer XML support, they are often overkill for quick edits, log analysis, or configuration tweaks on a remote machine.

Comparing two XML files in Notepad++’s Plugins > Compare plugin – pretty print first, then compare. 3. Minify (Compress XML) Menu Path: XML Tools > Minify

The XSLT must be well-formed. The plugin uses libxslt , so it supports XSLT 1.0. 7. Comment / Uncomment Menu Path: XML Tools > Comment / Uncomment

The & is not allowed. The plugin converts it to: <link url="https://example.com/?id=123&name=John" />