Can someone help me gain confidence for stuttering?

alright i just graduated from high school and im about to attend college, and i still dont have confidence to talk to people, and i get really nervous meeting someone new and i cant have a conversation. my voice is so deep and i stutter makes it even worse because sometimes i start to mumble, can someone please just give me tips on how to overcome this, ive had this fear throughout my whole life and i want it to come to an end. i wanna be happy in life. but this stuttering makes doubt myself alot. i just dont have the confidence. so does anyone have any suggestions?