| Resource | URL |
|---|---|
| International Barcodes Network | https://internationalbarcodes.net/ |
| Barcodes Database | https://barcodesdatabase.org/ |
| IBN Verified | https://ibnverified.org/ |
| GTIN Validator (barcodes.ph) | https://barcodes.ph/gtin-validator/ |
| Colour Legibility Simulator | https://barcodes.ph/barcode-colour-legibility-simulator/ |
Member sites (120+ countries) are listed on internationalbarcodes.net.