Codes for products EAN-13 EAN-8 How do you determine if and how many product codes you need? When do you need a new article code / GTIN? What kind of barcode do I need? Variable weight items Books and magazines Service & Support Searching codesCalculate the check digitBarcode verification serviceManual GS1 barcodesHow do I make my first barcode?How to create a logistics label? Free e-learning on GS1 identification keysFree e-learning on unique product identificationTraining: Identify product packaging uniquely with GTIN in barcode Next generation barcodes General informationHow do I create a QR code by GS1 in My Product Manager?GS1 Digital LinkImplementation guidelinesFAQ Codes for locations GS1 location code / GLNCreate a GLN in My Locations ManagerSearch GLNvia My Locations Managervia Verified by GS1 Other codes Shipping codes / SSCC Coupon code Legal Entity Identifier / LEI Identification for healthcare Patient or staff code - GSRN UDI Application Identifiers Free online training encoding medical devices Free online training encoding pharmaceutical products