Mac OS Photography
Photo Partition is a very easy to use app that can help you split your photos, images, pictures, and then save to JPG, PNG, TIFF, BMP, JPEG2000, GIF tiles.
Partition by Pixel (width x height)
Average Partition (row x column)
Save to JPG, PNG, TIFF, BMP, JPEG2000, GIF format
Support Drag and Drop
bug fixes for large images, such as more than 10000 X 8000 pixels.