QR/Barcode Reader

Decode and extract data from QR codes and barcodes in images with support for multiple barcode formats.

Purpose

Barcode scanning for:

• Inventory management and tracking
• Product information lookup
• Document verification
• Event check-in systems
• Automated data entry

Features

• Multiple Formats: QR Code, EAN-13, Code128, Code39, UPC-A, DataMatrix
• Batch Processing: Scan multiple images in one operation
• Data Extraction: Decode to text, URLs, structured data
• Image Preprocessing: Auto-rotation, enhancement for better recognition
• Validation: Verify barcode checksums
• Export: JSON, CSV output with decoded data

Quick Start

from qr_barcode_reader import QRBarcodeReader

# Read QR code
reader = QRBarcodeReader()
result = reader.read_image('qr_code.png')
print(result.data)  # Decoded text

# Batch read directory
results = reader.read_directory('images/', formats=['qr', 'ean13'])

CLI Usage

# Read single image
python qr_barcode_reader.py image.png

# Batch read directory
python qr_barcode_reader.py images/*.png --output results.json