Apply gamma correction to the whole image or to current selection.

Apply gamma-correction to compensate for non-linear display properties.

Apply perspective projection, add shadow and reflection to create a cool looking screenshot.

Arbitrary coordinates

Arithmetic coding

Arrow

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Aspect ratio:

Assign a unique ID to be able to identify the toolbar and to show or hide it from menu.

Attenuation

Auto-adjust gradient properties as the filled shape changes.

Auto-zoom

Automatic channel levels

Automatic contrast

Automatic levels

Automatic rotation

Automatic un-vignetting

Automatic zoom

Automatically apply selected effect on a layer.

Automatically choose a zoom factor according to available space.