Ghostwriter-AI

Ghostwriter-AI is a suite of privacy-first AI-powered add-ins for Microsoft Office—including Word, Outlook, Excel, and PowerPoint—designed to help users brainstorm, draft, and manage content with greater speed and efficiency. The tool provides features such as quick action prompts, personas, an AI prompt writer, inline editing, language translation, and creative writing styles, making it suitable for professionals, authors, legal practitioners, and anyone working with Office apps. Ghostwriter-AI allows users to leverage major AI models from OpenAI, Google Gemini, and xAI Grok by adding their own API keys, and comes as a one-time purchase per edition or as an all-app bundle.