I want to announce second version of ctx2png. Now it works decently on X11. Ctx2Png is an addon to the GRX graphics library. It loads/saves a context from/to a PNG file. PNG is a lost-less compressed graphics format. It have lots of features, like the ability to handle an alpha channel. You can read more about the PNG format in http://www.libpng.org/pub/png The routines are not very efficient yet, but they work. Download: http://www.terra.es/personal/malfer/zipfiles/ctx2png.zip