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Supporting 14 barcode symbologies taught me that QR won but legacy won't die

I added support for code128, EAN-13, ISBN, GS1-128 and a dozen other symbologies to my QR generator, fully expecting everyone to just use QR codes. The request logs say otherwise — roughly half the traffic is still EAN-13 for retail packaging and code128 for shipping labels. Each 1D symbology has i…

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  1. 2026-11-04 19:04 · DEV Community — AI
    Supporting 14 barcode symbologies taught me that QR won but legacy won't die

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