Build a GST Invoice Generator in 87 Lines of Python

Short summary

This tutorial shows how to build a GST-compliant invoice generator in just 87 lines of Python. The key challenge—deciding between CGST/SGST (intra-state) and IGST (inter-state)—is solved by comparing buyer and seller GSTIN state codes. Using fpdf2 and CSV input, the script generates professional invoices with correct tax calculations and formatting.

• •Builds GST-compliant invoice PDF generator in 87 lines
• •Automatically handles CGST/SGST vs IGST tax split via GSTIN comparison
• •Uses fpdf2 for PDF, CSV for input, works on Windows/Mac/Linux

Generated with AI, which can make mistakes.