Jesus forgave sins quite apart from the shedding of blood, his own or that of others, and taught it

Thy sins be forgiven thee.

-- Matthew 9:2

Thy sins be forgiven thee.

-- Mark 2:5

Thy sins are forgiven thee.

-- Luke 5:20

For if ye forgive men their trespasses, your heavenly Father will also forgive you:

-- Matthew 6:14

And when ye stand praying, forgive, if ye have ought against any: that your Father also which is in heaven may forgive you your trespasses.

-- Mark 11:25

Forgive, and ye shall be forgiven.

-- Luke 6:37

Her sins, which are many, are forgiven. ... And he said unto her, Thy sins are forgiven.

-- Luke 7:47, 48

And forgive us our sins; for we also forgive every one that is indebted to us.

-- Luke 11:4