#24 Max: End Manual Data Entry – Build a Production-Grade Document AI in n8n

Tired of manually copying data from invoices and PDFs? 😫 We're revealing a production-ready n8n blueprint that automatically "reads" documents, extracts key data, and logs it perfectly in Google Sheets while you grab coffee.We’ll talk about:A complete, step-by-step guide to building an automated document processing system for invoices, receipts, and contracts using n8n.The dual-engine processing approach: using the Tesseract.js node for free local OCR on images and the LlamaParse API for complex PDFs.How to use a powerful AI model like GPT-4o with a defined schema to accurately extract structured data like invoice numbers, totals, and vendor names.A robust, fault-tolerant system for automatically organizing your files in Google Drive, moving them from "unprocessed" to "processed" folders.The "bonus" workflow that takes your extracted data and uses another AI agent to generate comprehensive financial summary reports in Google Docs.Plus, a full setup guide, performance analysis, and cost breakdown showing how this system can run for as little as $10-$70/month.Keywords: n8n, Document AI, AI Automation, Data Entry Automation, Tesseract.js, LlamaParse, OCR, PDF Parsing, GPT-4o, Google Drive Automation, Google Sheets, No-Code AILinks:Newsletter: Sign up for our FREE daily newsletter.Our Community: Get 3-level AI tutorials across industries.Join AI Fire Academy: 500+ advanced AI workflows ($14,500+ Value)Our Socials:Facebook Group: Join 220K+ AI buildersX (Twitter): Follow us for daily AI dropsYouTube: Watch AI walkthroughs & tutorials