An image forming apparatus includes an image forming unit, a whole preview image generating unit that generates a whole preview image, the whole preview image being a print preview image of the entirety of each page, a display unit, a whole preview image display control unit that controls displaying the whole preview image, a divided preview image generating unit that generates divided preview images, the divided preview images being made by dividing the print preview image of each page by a dividing number, a divided preview image enlarging unit that enlarges each of the divided preview images at higher magnification than a display magnification of the whole preview image and generates enlarged divided preview images, and a divided preview image display control unit that controls displaying the enlarged divided preview images.