Try It Live
Upload a photo, scan, or PDF of any invoice, receipt, or purchase order above. The AI reads the document, extracts every line item, and gives you a clean, organized spreadsheet — ready to download in seconds.
Works with:
- Vendor invoices and purchase orders
- Restaurant and retail receipts
- Expense receipts (hotel, travel, utilities)
- Handwritten or printed documents
- PDF invoices (automatically converted to image)
How It Works
-
Upload — Select a JPG, PNG, WEBP, or PDF of your invoice or receipt (max 5MB). PDFs are automatically converted to an image before processing.
-
AI Vision — GPT-4o-mini analyzes the image using OpenAI's vision capabilities, reading text, tables, and layout just like a human would.
-
Structured Extraction — The AI identifies and extracts: vendor name, invoice number, date, all line items (description, quantity, unit price, amount), subtotal, tax, discount, and total.
-
Download — Export the extracted data as a CSV (opens in any spreadsheet app) or a formatted Excel (.xlsx) file with a single click.
What This Demonstrates
| Capability | Description |
|---|---|
| AI Vision / OCR | Reads printed and handwritten documents as images |
| Structured extraction | Forces AI output into clean, typed JSON fields |
| Data transformation | Unstructured document → organized spreadsheet |
| File generation | Produces downloadable CSV and Excel on demand |
| Edge case handling | Handles missing fields, varied formats, multi-currency |
From Demo to Production
This demo extracts data from one document at a time. A production deployment would process invoices at scale with automated ingestion, validation, and ERP integration.
Real-World Challenges
| Challenge | Why It Matters |
|---|---|
| Document variety | Thousands of vendor invoice formats, handwritten receipts, and faded thermal paper all require robust handling |
| Accuracy requirements | Financial data needs 99%+ accuracy — even 95% means 5 errors per 100 invoices |
| Multi-page documents | Invoices spanning multiple pages need page stitching logic |
| Duplicate detection | The same invoice submitted multiple times must be caught before it enters your AP system |
| Currency and tax handling | International invoices with VAT, GST, withholding taxes, and multi-currency require normalization |
| ERP field mapping | Extracted data must map to your specific chart of accounts, vendor IDs, and GL codes |
Cost Estimates (Monthly)
| Component | Starter | Growth | Enterprise |
|---|---|---|---|
| AI API (vision) | $30–100 | $100–400 | $400–2,000 |
| Document pipeline (email ingestion, OCR preprocessing) | $20–80 | $80–300 | $300–1,200 |
| ERP integration (SAP, NetSuite, QuickBooks) | $100–400 | $400–1,500 | $1,500–5,000 |
| Validation + exception handling (human review queue) | ~2–4 hrs/mo | 4–12 hrs/mo | 12–40 hrs/mo |
| Total monthly | ~$150–600 | $600–2,500 | $2,500–10,000 |
ROI Definition
- Primary metric: Data entry time eliminated — target 85–95% of invoices processed without human intervention
- Secondary metrics: Error rate reduction, faster payment cycles (capture early-pay discounts)
- Break-even: Typically 1–3 months depending on invoice volume
- Concrete example: An AP clerk processing 200 invoices/month at 8 minutes each = 26.7 hours/month at $25/hr = $667/month. AI handles 90% = $600/month saved. For larger operations (2,000+ invoices), savings scale to $5,000–$15,000/month. Capturing 2% early-pay discounts on $500K/month in AP = additional $10,000/month.
Technology Stack
- AI Model: OpenAI GPT-4o-mini (vision)
- Backend: Next.js API route (serverless)
- File Output: CSV (native) + Excel via
xlsxlibrary - Frontend: Custom React widget with drag-and-drop upload
Want This for Your Business?
This pattern powers real-world automation workflows: auto-processing emailed invoices, digitizing paper receipts for expense reporting, extracting purchase order data into ERP systems, and eliminating manual data entry in accounts payable. A production deployment with email ingestion, ERP integration, and approval routing typically takes 2–4 weeks and starts at $3,000.