hi i would like to know is there a program that converts mp4 video format to iso please can anyone help

Hi and welcome to the forum :slight_smile:

ISO is not a video format, it is a sort of container in which you can put everything you like.

You can create an ISO file with ImgBurn. Simply run the Build mode, select the HDD as target instead of a burner, and press the start button.

I think you want this