mrrogueknight/privacy-first-personal-finance-agent

Expense Tracker

Upload receipts to track spending automatically.

Features

• —OCR-based receipt extraction with deskew and preprocessing
• —Store name detection
• —Amount extraction using list accumulation (O(n) algorithm)
• —Automatic categorization (7 categories)
• —Real-time spending charts
• —Daily trend visualization
• —Category breakdown pie chart
• —Budget tracking with progress bar
• —CSV export
• —Debug logging for troubleshooting

How to Use

1. 1.Upload a receipt image
2. 2.Click Extract Data
3. 3.View extracted information
4. 4.Check Dashboard for charts and insights

Technical Details

• —OCR: Tesseract with image preprocessing (deskew, thresholding, denoise)
• —Algorithm: O(n) scanning for amounts, O(n) max finding
• —Charts: Matplotlib with Agg backend (memory efficient)
• —Storage: Session-based in-memory

Privacy

All processing is local. No external API calls.