imagemagick.org

ImageMagick is a free and open-source software used for editing and manipulating digital images. It supports various file formats and is widely used in industries such as web development, graphic design, and video editing, as well as in scientific research, medical imaging, and astronomy. It has a command-line interface for complex image processing tasks with APIs for integration, support for scripting and automation, and includes features such as animation, color management, and image rendering. ImageMagick is thread-safe and written in C, making it available on multiple operating systems. It has community support and examples on its website, and a Cookbook with tips and examples is available for Windows systems.