InstructPix2Pix lets you modify an image according to the instructions given in natural language. The model can be used to edit existing images or generate new ones, and it is able to understand a wide range of instructions, including changing the color of an object, adding or removing objects, and changing the size or orientation of an object.
As an extension for the Stable Diffusion WebUI you can use instruct-pix2pix on your computer.