libcaca is a software library that converts pixel information into colored ASCII art. It includes the library itself, and several programs including cacaview, an image viewer that works inside a terminal emulator, and img2txt, which can convert an image to other text-based format.libcaca has been used in a variety of programs, including the FFmpeg, VLC media player, and MPlayer.libcaca is free software, licensed under Do What the Fuck You Want to Public License version 2.