UPC-A is a 12-digit barcode format commonly used for retail products, especially in North America. It is also known as GTIN-12.

Can I use generated UPC codes commercially?

Random or test UPC values should not be used commercially. For official product identification, obtain UPC or GTIN numbers through GS1 or an authorized organization.

What is the UPC-A check digit?

The check digit is the 12th digit of a UPC-A code. It is calculated from the first 11 digits and helps detect typing or scanning errors.

UPC-A / GTIN-12 Tool

UPC Generator

Generate a UPC-A barcode from 11 or 12 digits. The tool validates the UPC check digit, renders a barcode preview, and lets you download SVG or PNG.

Enter UPC-A Data

Barcode data

Enter 11 digits to calculate the check digit, or 12 digits to validate a complete UPC-A.

Commercial use note

This UPC generator validates and renders barcode numbers in your browser. Test UPC values are not GS1-registered and should not be used as official product identifiers.

How UPC-A generation works

UPC-A uses 11 data digits plus one check digit. This tool calculates the check digit with the standard modulo-10 formula and renders the barcode locally.

UPC-A and GTIN-12

UPC-A is the barcode format commonly used to represent GTIN-12. If you want to compare UPC with GTIN, read the GTIN vs UPC guide.

Need to check a code?

Use GTIN Lookup to identify GTIN formats, or use the GTIN-14 Validator for GTIN-14 checks.

UPC Generator FAQ

What is a UPC generator?

A UPC generator creates a UPC-A barcode from numeric barcode data and validates or calculates the UPC check digit.

Can I use a generated UPC commercially?

Do not use random or test UPC values for commercial products. Official UPC or GTIN identifiers should be obtained through GS1 or an authorized organization.

Why does this tool accept 11 digits?

The 12th digit of UPC-A is a check digit. If you enter 11 digits, the tool calculates the final digit for you.