PaletteBrain

PaletteBrain is a macOS desktop app that brings ChatGPT to any application via customizable keyboard shortcuts. Users can create their own AI commands for tasks like grammar correction, translation, summarization, code refactoring, and more, all without switching windows. It works with any OpenAI or Azure key, offers unlimited usage, and stores conversations locally for privacy. Ideal for writers, developers, marketers, and anyone who wants AI‑powered assistance directly within their workflow.