Free barcode tools
Check, complete and plan your barcode numbers. Free, no sign-up.
Check digit calculator
Enter a number without its last digit and get the GS1 check digit, with the calculation shown.
Open tool →Barcode number checker
Paste a full barcode number to check its length, its check digit and which GS1 office issued its prefix.
Open tool →How many barcodes do I need?
Count the codes your range needs - sizes, colours, bundles and new products included.
Open tool →These tools work with UPC-A, EAN-13, EAN-8 and GTIN-14 numbers. They run on our server; we do not save the numbers you check to any database or use them for anything else.