Sim, você pode usar o plugin "html tag" e fazer ctrl + t
A partir da descrição do plugin:
This plug-in provides two core functions to Notepad++: HTML and XML tag matching, like the built-in brace matching (Ctrl+B / Shift+Ctrl+B) HTML entity encoding/decoding (example: e to é and vice versa) Author: Martijn Coppoolse Source: http://sourceforge.net/projects/npp-plugins/files/HTMLTag/HTMLTag%20plugin%20v0.3/HTMLTag_plugin_v0.3.0_unicode.zip/download