Barzig Lab · GS1 Resource Center

Build the bridge from UPC to connected product data

Practical GS1 Digital Link guidance, examples and browser-based tools—built for teams preparing products and systems for 2D barcodes.

ConverterUPC/EAN to GS1 QRTurn an existing GTIN into a GS1 Digital Link QR Code and export SVG, PNG, PDF or EPS.Core guideUnderstand Digital LinkLearn how GTINs, qualifiers, data attributes, resolvers and QR Codes fit together.Retail readinessPrepare for 2027Separate the real POS capability goal from the myths and plan an evidence-based rollout.Free utilitiesValidate and calculateParse GS1 AIs, validate Digital Links and calculate barcode size and quiet zones.
One standards-focused workspace

Learn the syntax, test the data, then create the code

GS1 Digital Link is more than a QR image. A useful implementation starts with an assigned GTIN, represents structured GS1 data correctly, connects the identifier to reliable online information, and survives real printing and scanning conditions.

This center brings those layers together. Start with a guide when you are planning; use the validators when you are implementing; open the converter when you are ready to produce a test symbol.

1IdentifyGTIN and GS1 Application Identifiers
2StructureDigital Link URI or element string
3CarryQR Code, Data Matrix or GS1 DataMatrix
4UsePOS, traceability and consumer information
Technical library

GS1 guides written for implementation

Browse the FAQ →
Ready to test a GTIN?

Create a GS1 Digital Link QR Code

Validate the check digit, add optional lot or expiry data and download a production-friendly vector or image file.

Open the converter →