Free UPC Barcode Generator
Create a UPC-A barcode from an assigned 11-digit payload or complete 12-digit code.
UPC Barcode Generator
Enter a value to begin.
How to use this upc barcode generator
- Enter 11 digits to calculate the check digit, or 12 digits to validate it, then download the PNG.
- Check the inputs and preview, then use the primary action.
- Download, copy or use the result shown by the tool.
How the result is calculated
The GS1 modulo-10 check digit and UPC-A bar patterns are calculated locally. This tool does not allocate, register, look up or authorize a product identifier.
Read the current GS1 check digit guidance before submitting.
All calculation and transformation work happens in this browser tab. No entered value is sent to an Noler Tools application server.
Important limitations
Results are provided for convenience and should be checked independently before an important decision. A format or checksum result never authenticates an identity, document, account, licence, vehicle or registration.
Frequently asked questions
Is this upc barcode generator free?
Yes. It is free to use and does not require an account.
Does Noler Tools save my input?
No. The input and result remain in temporary browser memory and are not uploaded or saved by this site.