Convert 16 pin LCD to 4 pin I2C Display

I want to make my 16 pin LCD(16*2) display into a 4 pin I2C Display & want to use it with my Arduino . How can i make this ?
Please Help .

purchase a backpack for your display

here are a few arduino play yard
here are a few this one
here are a few another one
here are a few still another one

hope that helps out