NanoChat: On-device AI Assistant

Tracking since Apr 1, 2026.

Changelog

• Jun 11, 2026
  description

  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

  NanoChat: Local AI Side Panel & Browser Agent is a browser extension for people who want a private, secure, and fully local AI assistant. Chat with any webpage, automate on-page actions with the AI Agent, instantly process selected text, and summarize articles without any data leaving your device.
  
  Whether you use NanoChat for learning, work, research, or productivity, NanoChat helps you summarize information faster and gives you direct control over your on-device AI workflows. You choose which actions to run and how to interact with your pages.
  
  Key features:
  - Chat with AI about any webpage or document you’re viewing
  - AI Browser Agent: let the AI click, type, scroll, and navigate pages for you
  - Smart context menu: select text to Translate, Summarize, Rewrite, Spellcheck, or Explain
  - Attach images or screenshots directly to your messages for multimodal input
  - Full conversation history with search to quickly retrieve past chats
  - Works seamlessly on any webpage in your active browser tab
  - Privacy-first architecture powered by Chrome's built-in Gemini Nano (Prompt API)
  - Zero configuration: install and start chatting locally with no API keys or setups
  
  Why users choose NanoChat:
  - 100% private: no cloud APIs, no data sent to external servers
  - Offline capability: runs completely on-device via your browser
  - Instant accessibility: convenient side-panel panel layout
  - Interactive web automation with experimental Agent mode
  - Completely free and open source with no registration or subscriptions
  
  Great for:
  - Users who value data privacy and want to keep conversations local
  - Professionals and students who need to read, summarize, or analyze web content
  - Developers and tech enthusiasts exploring Chrome's native local AI capabilities
  - Anyone looking for a distraction-free, local AI copilot inside the browser
  
  Important Requirements:
  To run NanoChat on-device, your system and browser must meet the following:
  - Chrome version 138 or higher
  - GPU: at least 4 GB VRAM
  - CPU/RAM: minimum 4 CPU cores and 16 GB RAM
  - Built-in AI flags enabled in Chrome (see GitHub repository for setup details)
  
  NanoChat is open source: https://github.com/cupcakedev/nanochat-extension

• Jun 11, 2026
  short_description

  NanoChat Chrome Extension

  Private local AI assistant & browser agent powered by Chrome Gemini Nano. Chat with webpages, summarize text & automate tasks.

• May 7, 2026
  description

  NanoChat is an AI assistant that lives in your browser's side panel. It uses Chrome's built-in AI (Gemini Nano) to help you browse smarter — 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: the AI can click, type, scroll, and navigate pages on your behalf                                                                                               
    - Attach images or screenshots to your messages
    - Full conversation history with search
  
    Key features:
    - 100% local AI — runs entirely in your browser via Chrome's Prompt API
    - Zero configuration — install and start chatting immediately
    - Privacy-first — your conversations and browsing data never leave your device
    - Works on any webpage
  
    Requirements:
    - Chrome 138+
    - GPU: Strictly more than 4 GB of VRAM.
    - CPU: 16 GB of RAM or more and 4 CPU cores or more.
  
    NanoChat is open source: https://github.com/cupcakedev/nanochat-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

• May 7, 2026
  name

  NanoChat

  NanoChat: On-device AI Assistant

Permissions & access

Permissions

storageunlimitedStorageactiveTabtabssidePanelwebNavigation

Host access

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Screenshots

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