https://crysoftware.itch.io/crypixels
Design endless amounts of sprites using CryPixels procedural pixel art generator with easy to use GUI editor.
Build your own generation grid using pre-defined options, then start generating using the different output settings.
User has complete control over all the generation process, from the initial grid to the settings used during generation.
Includes a collection of pre-built grids to get you up and running quickly, which can be edited to suit your needs.