How to rescue photo with crooked horizon? Of course, if the picture is already made, there will be the only way to correct crooked horizon – using Photoshop or other graphics editor (on the computer or on phone).
However don’t hurry! And look at the photo attentively. Perhaps you will manage to use cunning: in our example we cut out a piece of background with line of horizon and turned only it, without touching remained image. It is possible to make in different ways (but we will not describe it just now)
So we rescued part of picture, that was really important for us (border of water and pebble).