Runs a real AI model entirely on your computer — nothing uploaded, free, works offline once loaded. First load downloads the model (one-time ~0.9–1.8 GB) and needs a recent Chrome or Edge (WebGPU). You can write a great letter without it using the instant generator.
Once loaded: ✨ Write with AI drafts a tailored letter, and 🪄 Humanize strips robotic AI tells. Everything respects the no-cliché rules below.