Select Case
From the menu go to: Edit > Select Case > Tags to Upper Case
Tags to Lower Case
All Upper Case
All Lower Case
Select to Upper Case
Select to Lower Case


Tags to Upper Case:
Select this command to convert all HTML Tags to upper case.

Tags to Lower Case:
Select this command to convert all HTML Tags to lower case.

All Upper Case:
Select this command to convert "complete" document to upper case.

All Lower Case:
Select this command to convert "complete" document to lower case.

Select to Upper Case:
Select this command to convert selected (highlighted) area to upper case.

Select to Lower Case:
Select this command to convert selected (highlighted) area to lower case.