ExamNotes AI 🧠

An AI-powered SaaS platform that generates exam-oriented notes, diagrams, and revision content in one click using Google Gemini AI.

Live Demo

🚀 examnotesaiclient-ichy.onrender.com

Features

• 🤖 AI-generated exam notes using Google Gemini API
• 💳 Credit-based payment system with Stripe integration
• 🔐 JWT Authentication with bcrypt password hashing
• 📊 Auto-generated diagrams, graphs and charts
• 📝 Revision mode for short and crisp notes
• 🎯 Subject and class-wise important questions
• 🚀 Production-ready deployment

Tech Stack

Frontend

• React.js
• Axios

Backend

• Node.js + Express.js
• MongoDB + Mongoose
• JWT Authentication
• bcrypt

Integrations

• Google Gemini AI API
• Stripe Payment Gateway + Webhooks

Deployment

• Backend: Render
• Frontend: Render

Getting Started

# Clone the repo
git clone https://github.com/Kunal0234/ExamNotesAI.git

# Install backend dependencies
cd server
npm install

# Install frontend dependencies
cd ../client
npm install

Environment Variables

Create a .env file in the server folder:

MONGODB_URI=your_mongodb_connection_string
JWT_SECRET=your_jwt_secret
GEMINI_API_KEY=your_gemini_api_key
STRIPE_SECRET_KEY=your_stripe_secret_key
STRIPE_WEBHOOK_SECRET=your_stripe_webhook_secret
PORT=5000

Create a .env file in the client folder:

VITE_STRIPE_PUBLISHABLE_KEY=your_stripe_publishable_key

# Run backend
cd server
npm run dev

# Run frontend  
cd client
npm run dev

How It Works

1. User registers and logs in
2. User purchases credits via Stripe payment
3. Stripe webhook updates credits after successful payment
4. User enters subject and topic
5. Gemini AI generates structured exam notes
6. Notes are displayed with diagrams and revision content

Project Structure

ExamNotesAI/
├── server/
│   ├── models/
│   ├── routes/
│   ├── controllers/
│   ├── middleware/
│   └── index.js
├── client/
│   ├── src/
│   │   ├── components/
│   │   ├── pages/
│   │   └── lib/
│   └── index.html

Author

Kunal Kumar

• GitHub: @Kunal0234
• LinkedIn: linkedin.com/in/kunal-kumar