Barcode Scanner Online
A free online barcode reader that decodes a barcode from any photo or screenshot in your browser — no upload. Supports EAN-13, EAN-8, UPC-A, UPC-E, Code 128, Code 39, Codabar, and ITF.
Supported Formats
8 Barcode Formats
EAN-13, EAN-8, UPC-A, UPC-E, Code 128, Code 39, Codabar, ITF.
Instant Decode
Results in milliseconds using browser-based detection.
100% Private
Images never leave your device. All processing is local.
How it works
Supported formats
This barcode scanner online supports EAN-13, EAN-8, UPC-A, UPC-E, Code 128, Code 39, ITF, and Codabar formats. Simply upload a photo to scan barcode from image files — detection runs entirely in your browser using Quagga2-based processing, so no image data leaves your device. Works with photos of product packaging, shipping labels, inventory tags, or printed barcodes, decoding values instantly. This online barcode reader handles rotated and slightly skewed barcodes, though straight-on images produce the fastest results. For a walkthrough, see our barcode reading guide.
Tips for best results
Make sure the barcode is fully visible and in focus — partial barcodes can't be decoded. Shoot straight-on rather than at steep angles. Good lighting matters: shadows falling across the bars will reduce detection accuracy. If the first scan fails, try cropping the image closer to the barcode area, removing excess background. High-resolution images give better results than thumbnails or heavily compressed screenshots.
Common use cases
Inventory management — photograph shelf labels and use this barcode reader online to decode product numbers without a handheld scanner. Retail price verification — scan UPC codes in-store and perform a barcode lookup for pricing or product details using the decoded number. Warehouse operations — use it as a UPC scanner to digitize shipping label barcodes from photos taken during receiving. Personal cataloging — scan book ISBNs, DVD barcodes, or collector items to build a digital inventory. Healthcare and pharmacy — verify medication packaging by decoding NDC barcodes from product photos.
Barcode vs QR code
Traditional barcodes (1D) store numeric or alphanumeric data in a pattern of vertical lines — ideal for product identification numbers and serial codes. QR codes (2D) use a grid of squares and can hold URLs, contact cards, Wi-Fi credentials, and longer text strings. This barcode finder handles 1D formats only. For 2D codes, use the QR Scanner. Need to extract text from images instead? Try the Text Scanner (OCR).
Barcodes remain the backbone of product identification worldwide, with billions scanned daily across retail, logistics, and healthcare. This barcode decoder online works two ways — point your device camera at a barcode for a live read, or upload any photo or screenshot containing a barcode and get the decoded value instantly. The upload path is ideal for processing photos taken earlier, screenshots of product pages, or scanned documents at your own pace, while the camera path turns your phone into a scanner with no app install. All decoding happens client-side in your browser, meaning no barcode data is transmitted to any server. For related scanning tasks, the Document Scanner can extract structured text from receipts and forms, and the barcode-from-photo guide covers additional tips for tricky scanning scenarios. If you're working with receipts specifically, the Receipt Scanner can extract itemized purchase data alongside any barcodes present on the receipt image. Read our barcode scanning guide for tips, examples, and best practices.