GitHub - bimsina/browser-chat: AI chat that runs entirely in your browser. No servers, no API keys, no data collection.

GitHub - bimsina/browser-chat: AI chat that runs entirely in your browser. No servers, no API keys, no data collection.

AI chat that runs entirely in your browser. No servers, no API keys, no data collection.

demo.mov

Features

Local AI Models: Built-in AI (Gemini Nano), Transformers.js, WebLLM
Complete Privacy: All processing happens in your browser
Multi-modal: Text, images, documents, audio
Offline: Works without internet after setup
PWA: Install like a native app
File Support: Drag-and-drop attachments

Tech Stack

React + TypeScript + TailwindCSS
Vite + PWA
TanStack Router
IndexedDB (Dexie)

Development

git clone https://github.com/bimsina/browser-chat.git
pnpm install
pnpm dev

Model Types

Built-in AI: Browser native (Chrome/Edge only), instant startup

Chrome's Built-in AI

Transformers.js: ONNX models, good variety, medium size

Transformers.js

WebLLM: Large models, most capable, bigger downloads

WebLLM

Browser Support

Chrome/Edge: Full support
Firefox: Transformers.js + WebLLM
Safari: Transformers.js only