You need to read online bar code, two-dimensional code? Try Dynamsoft Free Online Barcode decoding tool.
https://demo.dynamsoft.com/DBR/BarcodeReaderDemo.aspx
The barcode scanning applications using the Dynamsoft the SDK Barcode Reader , decoding high accuracy, high speed, can solve various difficult code (damage, pollution, over-exposure, etc.). You can upload local images with a bar code and then decode online.
You can also read bar codes from the video stream:
https://demo.dynamsoft.com/DBR_Webcam/WebcamBarcodeReader.html
Supported barcode types:
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One-dimensional code (barcode): Code 39, Code 93, Code 128, Codabar, Interleaved 2 of 5, EAN-8, EAN-13, UPC-A, UPC-E, Industrial 2 of 5.
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QR code: QR Code, PDF417, DataMatrix