EximiousSoft GIF Creator provide many selection tools for selecting all or part of a frame of an animation. .

To select an entire image:

   Click Edit > Select All menu item.

To select part of an image, use these selection tools:

Rectangular Select

Selects a rectangular area.

Elliptical Select

Selects an elliptical area.

Lasso Select

Selects a freehand area.

Magic Wand

Selects image areas matching the color chosen with the wand.