There is disclosed a document edit support device including: an object obtaining unit that obtains an object as data expressing at least one of a text and an image, which are included in a document as an edit target and are to be located in a layout area; a grid line obtaining unit that obtains a plurality of grid lines in the layout area; and a grid line selection unit that selects at least one of the plurality of grid lines selected by the grid line obtaining unit, so that a predetermined condition is satisfied by blank spaces which remain when the object obtained by the object obtaining unit is located along the selected at least one of the plurality of grid lines.