Promises of Jesus:
Forgiveness of sins!

If we confess our sins, He is faithful and just to forgive us our sins and to cleanse us from all unrighteousness. 1 John 1:9

This is My blood of the covenant which is poured out for many for the forgiveness of sins. Matthew 26:28

In Him we have redemption through His blood, the forgiveness of our trespasses, according to the riches of His grace. Ephesians 1:7

All the prophets testify about Him that everyone who believes in Him receives forgiveness of sins through His name. Acts 10:43

Repent, then, and turn back, so that your sins may be wiped away. Acts 3:19

In whom we have redemption, the forgiveness of sins. Colossians 1:14

And from Jesus Christ, the faithful witness, the firstborn from the dead, and the ruler of the kings of the earth. To Him who loves us and has released us from our sins by His blood. Revelation 1:5