ProductWizz

AI-powered Chrome extension for smart product Q&A on Amazon India and Flipkart.

Tech Stack

• Frontend: React, TypeScript, Vite, TailwindCSS, Shadcn UI
• Backend: FastAPI, LangChain, ChromaDB, Sentence Transformers, llama-cpp-python
• AI: Zephyr 7B LLM (local, GGUF format)
• Extension: Chrome Extension (Manifest V3)

Features

• Extracts product details and reviews from Amazon/Flipkart
• AI chat: Ask anything about the product (uses specs + reviews(capped at 100))
• Chat history persists between extension sessions
• Clear chat and extract new product options
• Works fully offline (local LLM)

How to Use

1. Backend:
   • cd backend
   • python3 -m venv .venv && source .venv/bin/activate
   • pip install -r requirements.txt
   • Download Zephyr 7B model
   • uvicorn main:app --reload --host 0.0.0.0 --port 8000
2. Frontend/Extension:
   • npm install
   • npm run build:extension
   • Load dist/ in Chrome at chrome://extensions/ (enable Developer mode)
3. Usage:
   • Go to a product page on Amazon.in or Flipkart
   • Click the extension icon → Extract
   • Ask questions about the product

Usage Video

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MIT License