I feel worthless and depressed what can i do?

since like freshman yr ive been feeling very depressed like i hate myself, it goes away but always comes back. when it comes back its worst i feel so ugly and like i cant i just CANT fix myself, i dont wanna go to school,work , or anything i hate myself. i feel like people are always staring at how ugly and weird i am.i use to be happy and confident like 3yrs ago. now im juss like a peace of sh*Yt I ALWAYS wanna cry and dont know why.i say things i sont mean alot of them. i feel sooo sick of life, idk i dont like this feeling its eating me alive but i dont know what to do. im only 16 and i feel like im a mess,my life is worthless, and i dont want to feel this way, i hate myself but i wouldnt kill myself im scare of going to hell, and i feel bad for my mom. also, i feel like i hate my friends and everyone. i feel like im such a bad person i shoulod just die and go to hell.i cant stop cryin.someone help me plz..anything u can tell me will help idk thanks for whoever reads this.