Straighten a photo so that its horizon appears level. Kelemen Gábor kelemeng at gnome dot hu 2014. Úr Balázs urbalazs at gmail dot hu 2015, 2016. Straighten photos

The straighten tools allows photos to be leveled and straightened. The straighten tool is only available in full-window or fullscreen mode.

Click Straighten. The straighten slider will appear. Alternatively, use the keyboard shortcut CtrlA.

Drag the slider to achieve the desired degree of straightening.

Press Straighten when finished.