NanoChat: On-device AI Assistant

NanoChat Chrome Extension

NanoChat is an AI assistant in your browser’s side panel, powered fully by Chrome’s built-in AI (Gemini Nano). No cloud APIs, no API keys, no data leaving your machine. What it does: - Chat with AI about any webpage you’re viewing - Agent mode: AI can click, type, scroll, and navigate pages for you - Context menu on selected text: Translate, Summarize, Rewrite, Spellcheck, and Explain - Attach images or screenshots to your messages - Full conversation history with search Key features: - 100% local AI: runs entirely in Chrome via the Prompt API - Smart context menu workflow: select text, run instant actions, continue to chat - Zero configuration: install and start chatting immediately - Privacy-first: your conversations and browsing data stay on your device - Works on any webpage Requirements: - Chrome 138+ - GPU: strictly more than 4 GB VRAM - CPU/RAM: at least 4 CPU cores and 16 GB RAM NanoChat is open source: https://github.com/cupcakedev/nanochat-extension