16x Prompt is a desktop application designed to simplify the process of creating coding task prompts for ChatGPT. Users can easily add context, source code, and formatted instructions. Key features include zero-setup usability, formatted instruction adding, source code management, support for GPT-4 and ChatGPT Plus, support for existing code repositories, offline and localized usage, productivity enhancement, and integration with the OpenAI API. It is targeted towards developers, helping them complete coding tasks within 5 minutes using ChatGPT. It offers free trial usage, with a paid version removing daily prompt limitations.