Chatty is a private AI chat tool that leverages WebGPU technology to run large language models (LLMs) locally and privately within your browser. It offers a rich in-browser AI experience, including local data processing, offline usage, chat history management, support for open-source models, responsive design, an intuitive UI, Markdown and code highlighting, file chat, custom memory support, chat record export, voice input support, response regeneration, and light/dark mode switching.