About Barcode Scanner
Barcode Scanner is a powerful client-side tool that instantly decodes linear barcodes and 2D codes using your device camera or uploaded images. It supports 13+ barcode formats covering all major use cases: EAN-13 and EAN-8 for retail products, UPC-A and UPC-E for North American retail, CODE128 for shipping and logistics (supports all ASCII characters), CODE39 for manufacturing and inventory, ITF for shipping containers, Codabar for libraries and healthcare, and Data Matrix, QR Code, Aztec, and PDF417 for 2D codes with higher data capacity. Barcode scanning works by analyzing the patterns of bars and spaces (for linear barcodes) or modules (for 2D codes) and converting them to digital data. The scanner uses the ZXing library for reliable detection and decoding of barcode symbologies directly in your browser. Choose camera mode for real-time scanning using your device camera with front/back camera switching, or upload an image file to scan from screenshots or photos. Select which barcode formats to detect for faster, more accurate scanning when you know the barcode type. The scan overlay provides visual feedback with an animated scan line, and successful scans trigger a vibration on supported devices. View scan history with format type, timestamp, and one-click copy for any previous result—history is stored locally in your browser and persists between sessions. After scanning, copy the decoded value to clipboard, download as a text file, or search the web to look up product information. All barcode scanning happens entirely in your browser using JavaScript—no images or decoded data are sent to servers for complete privacy. Perfect for retail price checking, product lookup, inventory tracking, warehouse management, shipping label scanning, library book checkout, event ticket verification, asset tag scanning, grocery shopping for price comparison, and manufacturing quality control. Use this tool to scan any barcode or QR code instantly with your camera or from images—no account required, completely free.
Unlike many online tools that require account creation or have hidden costs, Barcode Scanner is completely free and requires no signup. Simply open the tool and start using it immediately. Your privacy is our priority - all processing happens locally in your browser, and your data is never stored on our servers.
Whether you're a professional, student, or casual user, Barcode Scanner is designed to be intuitive and efficient. Our tool works seamlessly on desktop computers, tablets, and mobile devices, ensuring you can get your tasks done wherever you are.