PromptBox is an AI tool that helps users save, organize, copy, and paste their artificial intelligence prompts. It can be used with various AI tools including Chat GPT, midjourney, stable diffusion, Bing, Jasper, Nichess, and more. With PromptBox, users can easily organize their prompts using drag and drop functionality and can save variables for future use. The tool also offers the ability to share prompts and has a white label option for customization. It is compatible with popular apps and can be accessed through a Chrome extension. PromptBox is used for tasks such as architecture code, art copywriting, sales text, portraits, and more.