Standing before God as we all will do is not a fearful prospect for the follower of Jesus.
Therefore, since we have been justified through faith, we have peace with God through our Lord Jesus Christ (Romans 5 v 1
I have seen many leave this life with total confidence based not on their performance but because Christ/God in Jesus has already decided our fate.
The gospel is this: God removes the barrier of sin between us and Him and we are declared innocent by Him and for Him (we are justified). How? It is by the impact of the historical event of the cross and resurrection of Jesus in our lives.
We don’t wait for judgment day to find out the result. We live in this truth today, this is the peace with God that comes through our justification. There is no looming terrifying judgment for the follower of Jesus.