An very easy utility that converts the arena file into bitmaps that can be edited easily in paint or similar applications. Just start the program, export a level to clipboard, start paint, paste the level into paint and start editing. Afterwards you copy and paste it back and save the new arena. Now replace the old "arena.txt" in the DwarfFortress/data/init/ -folder and use it in Arena Mode.

This application shall be part of a pair of applications. Its partner app will be an editor for easier creature creation in Arena Mode.