Can a general tawbah erase all of our sins?
Assalam alaikum
If someone feels overwhelmed by the quantity of his sins and he wants to start a new chapter with Allah, can a general tawbah with full remorse for all of his past sins (also those who he can't remember) erase all of them and their negative consequences? I feel like lately in the last few months my iman decreased and i am trying to do everything i can and also repent for every single time i sin. I just wish to return back to the state of high iman i was in in the past.