A simple utility for extracting Zone layout maps from Gens savestates of Sonic the Hedgehog CD in BMP or PNG format.
Foregrounds, backgrounds, objects, and palettes are all supported in the latest version.
You can find a 7z archive of useful savestates on the Resources page.

Version	Size	Download
2.0a	3.2mb	download
2.0	3.2mb	download

Version 2.0a

            Added the ability to view and export the Plane B layout (backgrounds) of the Zones, as well. 

Version 2.0

            Accessing the Zone Layout no longer has a lengthy delay.
            Automatically detects Zone, Act, and Time Frame from the save state.
            Fixed collision masks of the objects to make selecting them with the mouse easier.
            Removed the 256x256 mappings export page.
            Added the ability to take single screenshots of the Layout.
            Added the ability to flip the orientation of objects in the Layout.
            Added the ability to alter Tileset palette, and also import and export palettes to .tpl format.
            ImageMagick installer no longer included, to keep filesize down.
            A bunch of other cosmetic things, bugfixes, and cleanup.