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About QR Code Image Scanner
The Multi-Format Image Barcode & QR Code Scanner scans and reads multiple 1D/2D barcodes (QR Code, Code 128, EAN-13, UPC-A, Code 39, ITF, Codabar) from high-resolution images, PDF documents, and receipts.
How to Use QR Code Image Scanner
Step 1
Upload a photo or document containing one or more barcodes.
Step 2
The scanner automatically detects barcode regions and extracts values.
Step 3
Click "Copy Scanned Data" or export as CSV.
Practical Use Cases for QR Code Image Scanner
Scanning Product EAN/UPC Barcodes from Shipping Labels and Invoices
Upload photos of package shipping labels and retail receipts to extract 13-digit EAN/UPC barcode numbers into searchable text.
Batch Scanning Multiple Barcodes from Single Document Scans
Detect and decode all barcodes and QR codes scattered across a multi-page warehouse inventory PDF.
Input & Output Examples
Scanning Shipping Label Image
Image: `shipping_label.jpg`
Found 2 Codes: [1] Code 128: `1Z9999999999999999` (Tracking) | [2] QR Code: `https://tracking.carrier.com/1Z999`
Key Features & Performance
- ✓Supported Barcodes: QR Code, EAN-13, EAN-8, UPC-A, UPC-E, Code 128, Code 39, Code 93, ITF-14, Codabar.
- ✓Multi-Code Detection: detects multiple barcodes within the same photo or camera frame.
- ✓Auto-enhancement: enhances low-contrast and blurry barcode images with local binarization filters.
- ✓100% Client-Side ZXing Barcode Reader.
- ✓1-Click Copy all scanned codes.
Key Terminology & Definitions
1D Linear Barcode
A machine-readable optical code composed of parallel vertical bars and spaces of varying widths (e.g. UPC, EAN, Code 128).
Binarization Thresholding
An image preprocessing filter converting grayscale camera images into high-contrast pure black-and-white pixels to improve barcode detection.