ChromeChat

ChromeChat is a local AI chat built on Chrome's built-in Prompt API — it runs Gemini Nano directly in your browser. 100% offline after setup No API keys or subscriptions Zero data sent to external servers Chat history stored locally Custom AI name, personality & system prompt Import/export your conversations Free forever Requires Chrome 148+, a compatible GPU (4GB+ VRAM), and ~4 GB free storage. One-time setup