How InvoiceOCR extracts your data

From uploaded document to structured JSON in under 3 seconds. Here is what happens behind the scenes.

1

Upload Your Document

Send your invoice through the REST API, drag-and-drop on the web interface, or use our SDK. InvoiceOCR accepts all major document formats.

PDF
Multi-page supported
PNG
Scans and screenshots
JPG
Phone photos
2

AI-Powered Text Extraction

Our OCR engine processes every page of the document, extracting raw text with sub-pixel accuracy. Unlike traditional OCR, our AI model understands document layout, tables, handwriting, and even rotated or skewed text.

Table detection Handwriting recognition Multi-language Skew correction
3

Intelligent Data Structuring

Machine learning models trained on millions of invoices identify and classify every field: vendor name, invoice number, dates, line items with quantities and unit prices, subtotals, tax breakdowns, and payment terms.

structured_output.json
{
  "vendor": "Acme Supply Co.",
  "invoice_number": "INV-2026-0847",
  "date": "2026-05-15",
  "line_items": [
    {
      "description": "Widget A",
      "qty": 250,
      "unit_price": 4.50,
      "amount": 1125.00
    }
  ],
  "total": 1217.81,
  "confidence": 0.97
}
4

Validation and Confidence Scoring

Every extraction is validated with automated checks: line item math verification, duplicate detection, date format normalization, and currency identification. Each field receives a confidence score so you know exactly how reliable the extraction is.

95%+ accuracy
Average across all document types
Per-field scores
Know which fields need review
5

Export and Integrate

Get your structured data in the format you need. Export as JSON for custom integrations, CSV for spreadsheets, or push directly to QuickBooks Online. Batch processing lets you handle hundreds of invoices at once.

JSON API response
CSV Spreadsheets
QuickBooks Direct sync
Webhook Real-time push

Supported Formats and Capabilities

InvoiceOCR handles virtually any invoice format your business encounters.

Digital PDFs

Native text extraction from digitally-created PDFs. Multi-page documents are automatically paginated and correlated. Fastest processing path with near-perfect accuracy.

Scanned Images

PNG, JPG, TIFF, and BMP images from scanners or cameras. Automatic skew correction, noise reduction, and contrast enhancement ensure high accuracy even on low-quality scans.

Mobile Photos

Snap a photo of a paper invoice with your phone. Our AI handles perspective distortion, shadows, and uneven lighting. Perfect for field workers and on-the-go capture.

Ready to automate your invoice processing?

Start with 10 free invoices per month. No credit card required.

Try InvoiceOCR free