#receipt-scanner #pdfapihub #document-scanner #expense-tracking

Receipt Scanner

Scan, OCR, and digitize paper receipts. Enhance receipt photos, extract text and amounts with OCR, and convert receipts to archival PDFs. Powered by PDFAPIHub.

Rishabh Dugar@rishabhdugar

Install

openclaw plugins install clawhub:receipt-scanner

Receipt Scanner — OpenClaw Plugin

Scan, OCR, and digitize paper receipts using the PDFAPIHub API. This OpenClaw plugin gives your AI agent the ability to enhance receipt photos, extract text and amounts via OCR, and convert receipts to archival PDFs.

What It Does

Turn paper receipt photos into clean digital records. Enhance image quality, extract text and amounts with OCR, and produce archival-quality PDFs — all optimized for receipt processing workflows.

Features

Receipt Enhancement — Sharpen and improve contrast at 300 DPI for clear, readable receipts
Full OCR — Extract all text: store name, items, prices, tax, totals, date, payment method
Amount Extraction — Pull just the numbers: prices, totals, tax amounts, percentages
PDF Conversion — Convert receipt photos to black-and-white archival PDFs
Multi-Language — OCR supports English, German, French, Spanish, and many more
Grayscale Processing — Automatic grayscale and sharpening for best OCR accuracy
Flexible Input — Accept image URLs or base64-encoded images

Tools

Tool	Description
`scan_receipt`	Scan and enhance a receipt photo at 300 DPI
`ocr_receipt`	Extract all text from a receipt via OCR
`extract_receipt_amounts`	Extract only numeric amounts and prices
`receipt_to_pdf`	Convert receipt to a black-and-white archival PDF

Installation

bash

openclaw plugins install clawhub:receipt-scanner

Configuration

Privacy note: Receipt images are uploaded to PDFAPIHub's cloud service for OCR and enhancement. Files are auto-deleted after 30 days.

json

{
  "plugins": {
    "entries": {
      "receipt-scanner": {
        "enabled": true,
        "apiKey": "your-api-key-here"
      }
    }
  }
}

Or use the env approach:

json

{
  "plugins": {
    "entries": {
      "receipt-scanner": {
        "enabled": true,
        "env": {
          "PDFAPIHUB_API_KEY": "your-api-key-here"
        }
      }
    }
  }
}

Get your free API key at https://pdfapihub.com.

Usage Examples

Just ask your OpenClaw agent:

"Scan this receipt: https://example.com/receipt.jpg"
"What does this receipt say? Extract all text"
"What are the amounts on this receipt?"
"Convert this receipt to a PDF for my expense report"
"Read the text from this German receipt"

Use Cases

Expense Tracking — Digitize receipts for expense reports and reimbursements
Bookkeeping — Extract amounts from receipts for accounting and bookkeeping
Tax Documentation — Scan and archive receipts for tax filing purposes
Travel Expenses — Process hotel, meal, and transport receipts while traveling
Small Business — Digitize paper receipts for small business record keeping
Personal Finance — Track spending by scanning and OCR-ing purchase receipts

API Documentation

Full API docs: https://pdfapihub.com/docs

License

MIT