💰 Finlytics — Smart Expense Tracker

Finlytics is a modern web app designed to help you track your income, expenses, and monthly budget — with intuitive visualizations and intelligent alerts.

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🌐 Live Demo

Check out Finlytics

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📷 Preview

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🚀 Features

🔐 Authentication

• User Signup & Login with secure JWT tokens
• Middleware-protected routes
• Auto-logout when token expires

📊 Dashboard

• Overview of income, expense, and budget
• Charts: Line, Bar, Doughnut for analytics
• Budget usage progress bar

💸 Income & Expense

• Add/view/delete incomes and expenses
• Categorized and dated transactions
• Auto-summary and filtering

📆 Budget Tracking

• Set monthly budget with alert thresholds (50%, 80%)
• Dynamic floating alerts when limits are reached
• Budget progress indicator with percentage bar

📈 Visual Charts

• Bar Chart: Monthly income vs expense
• Doughnut Chart: Expense category breakdown
• Line Chart: Daily trends

🔔 Notifications

• Toast messages for all actions (add/delete/update/error)
• Floating alert bar on threshold breach

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🛠️ Tech Stack

• Next.js (App Router)
• MongoDB + Mongoose
• Tailwind CSS
• Recharts
• React Toastify
• Lucide Icons
• JWT & Axios

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📂 Folder Overview

/app
  /api
    /auth (signup/login/logout)
    /core (budget, income, expense)
/components
/models
/utils (axios setup)
/middleware.js

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🧪 Getting Started

git clone https://github.com/your-username/finlytics.git
cd finlytics
npm install

Create .env.local file:

MONGODB_URI=your_mongodb_url
JWT_TOKEN_SECRET=your_jwt_secret

Start Dev Server

npm run dev

Go to http://localhost:3000

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👩‍💻 Author

Crafted with 💖 by Diksha Bharti

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📄 License

MIT Licensed — Free to use and modify! Do share improvements and suggestions to take this project to next level 🚀