Online Barcode Scanner

Online Barcode Scanner is a free web-based tool for decoding 1D barcodes from uploaded images or a live camera feed. It reads product codes, shipping numbers and book numbers instantly, and also handles common QR codes. Everything runs in your browser, so your images are never sent to any server — fast, secure and private.

Key Features

• Image recognition: Upload JPG, PNG, WebP or BMP images, drag and drop files, or paste screenshots with Ctrl+V to decode instantly.
• Camera scanning: Point your camera at a barcode for real-time scanning; recognition stops automatically once a code is found.
• Wide format support: Covers common retail and logistics barcodes — Code 128, Code 39, EAN-13, EAN-8, UPC-A, UPC-E, ITF-14, Codabar — plus QR Code and other 2D symbologies.
• Local processing: All decoding happens in the browser — no uploads, no privacy concerns.

Use Cases

• E-commerce and warehousing: product code entry, inventory counting and shipment verification.
• Logistics: reading tracking numbers and shipping labels quickly.
• Retail checkout: reading EAN / UPC codes on price tags and receipts.
• Library management: scanning ISBN (EAN-13) barcodes on books.

How to Use

1. Switch to Image Scan mode; click to choose an image, drag one into the window, or paste a screenshot directly.
2. Decoding starts automatically. The result panel shows the recognized content and its barcode format.
3. Click "Change image" to recognize another picture.
4. In Camera Scan mode, press "Start Scan", align the barcode in the frame, and scanning stops automatically once recognized.

Learn About Barcode Symbologies

Barcode formats vary by industry: EAN-13 and UPC appear on retail products and books, Code 128 offers high density and flexible encoding and is widely used on shipping labels, while ITF-14 marks outer cartons and pallets. This tool covers all of these mainstream types — just scan, no configuration needed.

Highlights

• 100% free, no sign-up or installation required.
• Recognition is fully local — images and video frames never leave your device.
• Works on desktop and mobile browsers.
• Shows both the decoded content and the barcode type for easy verification.

FAQ

Q: Is this tool free to use?

A: Yes, the barcode scanner is completely free with no registration required for either image or camera mode.

Q: Which image formats are supported?

A: It supports JPG, PNG, WebP and BMP images, and you can also paste screenshots directly from your clipboard.

Q: Which barcode types are supported?

A: Code 128, Code 39, EAN-13, EAN-8, UPC-A, UPC-E, ITF-14 and Codabar, plus 2D codes such as QR Code, Data Matrix, PDF417 and Aztec.

Q: Are my images uploaded to a server?

A: No. Everything is processed locally in your browser, so your images are never uploaded.

Q: What if a barcode cannot be recognized?

A: Try improving lighting and contrast, make the barcode larger in the frame, and avoid glare or tilting. In camera mode, keep the code steady and close to the lens.