ExpenseDiary (Expense Tracker)

Track your income and expenses with ease! A full-stack Expense Tracker web application built using the MERN (MongoDB, Express.js, React.js, Node.js) stack. Users can register, log in, and manage their daily transactions with a modern UI.

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📸 Screenshots

🔐 Home Page

🔐 Login Page

📊 Dashboard

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🚀 Features

• 🔐 User Authentication
  • Email/password using JWT
  • Google Login using Passport.js
• 📨 Welcome Email sent via Nodemailer when a user signs up or logs in for the first time
• ➕ Add, Edit, & ❌ Delete transactions (CRUD)
• 🗄️ Redis Caching for faster API responses and reduced database load
• 📂 Filter transactions by category
• 💵 View total balance, income, and expenses
• 📱 Responsive UI (Mobile & Desktop)
• 📊 Visual Insights with Pie Charts

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🛠️ Tech Stack

🔧 Backend

• Node.js
• Express.js
• MongoDB
• JWT Authentication
• bcrypt for password hashing
• Passport + passport-google-oauth20 (Google Login)
• Nodemailer for email notifications
• Redis for caching

🖥️ Frontend

• React.js
• Tailwind CSS
• Axios for API calls
• Chart.js for data visualization
• react-hot-toast (Notifications)
• react-icons (Icons)
• framer-motion (Animations)
• react-router-dom (Routing)

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