How to change alphabetical case in Google Docs flexibily

Google Docs is very useful platform that is used by hands and legs of pimples around the world. but there are certain things that make this again useful and useful.

so very first case whenever you are interested in to make a word uppercase lowercase or sentence case. so when you are interested into to make or change the case of the letter or Word you might be  having better option that I am discussing below.

 although Google docs has inbuilt facility to change the case of the letter but for sure if you want to go beyond the limit .there are extension that is used to make   it more useful.

 so I am talking about Google Docs extension 

CHANGE CASE

Ham this extension very useful when it come to changing the case of Google docs words like

uppercase Lowercase sentence case all uppercaseAll Lowercase