G'MIC

G'MIC: A functional command line tool that lets you view and convert numerous image formats

Most graphic editing programs come with a GUI that’s typically packed with features. G’MIC makes an exception as it lets you use numerous functions via command line.

G’MIC is a robust command line application you can use to open and convert a large number of image formats, using various commands, filters and functions in the process. Since it requires using the Command Prompt, the application is meant for those who have above average computer skills.

Nevertheless, the tool provides several lists containing all its commands, and a brief description of each listed item, as well as documentation that includes information about G’MIC’s capabilities.

So, you can pick a command from the list and use it in the command line prompt in order to edit and convert a multitude of image formats including RAW, JPEG, BMP, GIF and so on.

The tool lets you work with various types of image datasets like 1D, 2D and 3D multi-spectral, and each loaded photo is broken down into dimensions before editing.