How it works
Pick the pack, pay once, and download the files. Then paste them on the listing.
Three steps.
Pick the pack
1, 10, 25, 50, or 100. Each code ships as UPC and EAN. The 25-pack is $1 per code.
Pay and reserve
One payment. We assign the next free block. Those numbers are not sold again.
Download and paste
Certificate, Excel, and artwork in your account. Copy the EAN-13 and paste it on Mercado Libre.
What you get
A certificate in your brand name. Excel to assign a number to each SKU. SVG or PDF for the printer. The EAN-13 is 13 digits. The UPC is the same number in 12. It all lands in your account, seconds after payment.
On Mercado Libre
Open the Excel. One code per variation. Paste the EAN-13 in the listing field and publish.
On Amazon
Paste that variation's GTIN. Send the artwork to whoever prints. Save the certificate.
If you do not know how many
A shirt in 3 colors and 4 sizes is 12 codes. The calculator adds products and variations and points you to a pack. The generator draws a number you already have.