CGDream is a free AI-powered image generation tool that allows users to build content for a variety of use cases, such as art, social media, and advertising. It can generate images from text descriptions and also edit existing images. Key features include: text-based image generation, image editing, 3D modeling, and a collection function. Its advantages lie in its free use and ease of operation. It can be used in a variety of scenarios, including creation, entertainment, and business.