OZF Viewer is a very simple application for viewing OZF2 image files on Mac OS X
OZF Viewer
OZF Viewer is a very simple application for viewing OZF2 image files on Mac OS X. These files are compressed image files which contain up to 7 pre-scaled versions of the image and is used primarily for viewing large map images on small devices.
This application was developed as a companion tool to the iOS application 'Bit Map' which uses OZF2 files to view map images on the iPhone and iPad, but is also a useful standalone tool for anyone who has any need to view OZF2 (extension ".ozf2") files on Mac OS X. It can also open and view some other standard image formats, including JPEG, GIFF, TIFF and PNG.
NB: OZF Viewer is freeware and entirely unsupported. If you like it and wish to make a donation, feel free to donate via PayPal (credit cards accepted, no PayPal account required).
http://nixanz.com/macosx/bit-map-imager/