Amazon Helper

An AI-powered Chrome extension that analyzes Amazon products and customer reviews to help users make better buying decisions.

Features

• Detects Amazon product pages
• Gets product information from the page
• Collects customer reviews
• Uses Google Gemini to analyze the product and reviews
• Shows AI-generated pros, cons, review sentiment, and buying recommendations

Tech Stack

Frontend

• React
• TypeScript/JavaScript
• Vite
• Tailwind CSS
• Chrome Extension Manifest V3
• Claude — used to help build the frontend UI

Backend

• Python
• FastAPI
• Google Gemini API

How It Works

Amazon Product Page
↓
content.js
↓
Product Info + Reviews
↓
React Extension
↓
FastAPI Backend
↓
Google Gemini
↓
AI Analysis

Setup

Frontend

npm install
npm run build

Backend

cd backend
python3 -m venv venv
source venv/bin/activate
pip install fastapi uvicorn google-genai python-dotenv

Create a .env file inside backend:

GEMINI_API_KEY=your_api_key_here

Start the backend:

uvicorn main:app --reload

Load the Extension

1. Open Chrome
2. Go to chrome://extensions
3. Enable Developer Mode
4. Click Load unpacked
5. Select the dist folder
6. Open an Amazon product page
7. Open Amazon Helper

Video

2026-09-04.18-36-49.mov

AI Assistance

Claude was used to help design and build the frontend UI.