💸 Expense Tracker Web App A lightweight personal expense tracker built with Flask, Pandas, and Matplotlib. It allows you to log daily expenses, categorize them, visualize trends, and set monthly budgets — all stored in an Excel file.

🚀 Features ✅ Add, Edit, and Delete expenses

📊 Visualize data via charts (Donut, Line, Bar)

📁 Data stored in Data.xlsx using openpyxl

🧮 Set and enforce a budget limit

🧠 Auto-calculates total spent and balance left

📅 Tracks recent weekly trends