Notepad++ is a really great tool, but you need a couple of plugins to make it a truly joyful war machine:
TextFX https://sourceforge.net/projects/npp-plugins/files/TextFX/
Xml Tools https://sourceforge.net/projects/npp-plugins/files/XML%20Tools/
They are both priceless!
For installation instructions, I leave you to google
TextFX https://sourceforge.net/projects/npp-plugins/files/TextFX/
Xml Tools https://sourceforge.net/projects/npp-plugins/files/XML%20Tools/
They are both priceless!
For installation instructions, I leave you to google