GTIN check digit checker
Check whether a GTIN-8, GTIN-12, GTIN-13 or GTIN-14 has the right check digit, and see what the result means.
Free GS1 tools.
Small tools for the barcode numbers and QR codes on your labels. They run in your browser, and nothing you enter is sent to us.
GS1 identifiers
Check a GTIN and build the GS1 Digital Link for a QR code.
GS1 Digital Link builder
Turn a GTIN, batch and serial number into the GS1 Digital Link web address that a QR code carries.
Rules and deadlines
See which product rules are coming and which may apply to you.
Product passport deadlines by product group
Dates, status and sources for the rules on product passports, packaging, batteries and green claims.
Which product rules may apply to you?
Eight questions that show which of those rules may apply to your products.
Get a QR code with your first passport.
Your first published passport is free, including its QR code. Use a plain passport link or a GS1 Digital Link with your GTIN.