Type the value
The barcode is drawn as you type.
UPC barcode generator (UPC-A)
Type the first 11 digits and get a UPC-A barcode with the check digit added. This is the retail barcode of the United States and Canada. Nothing is uploaded.
- Free
- No sign-up
- Runs in your browser
100% private — the barcode is drawn in your browser and nothing is sent to any server.
Next step
Keep going with your result in another tool. Nothing is uploaded.
How it works
Adjust the size
Set the bar width and height, and show or hide the text.
Download it
Save it as PNG or SVG and test it with a scanner.
How to generate a UPC barcode
To generate a UPC barcode, enter the first 11 digits in the value box above and the UPC-A barcode appears with the twelfth digit, the check digit, added automatically. If you type all 12 digits, the tool checks the last one. Download the barcode as PNG or SVG. It runs in your browser, and nothing is uploaded.
What is UPC (UPC-A)?
UPC-A (Universal Product Code) is the 12-digit barcode used on retail products in the United States and Canada since the 1970s. It has a number system digit, a manufacturer code, a product code and a check digit. It is the ancestor of EAN-13: adding a zero in front of a UPC-A gives the equivalent EAN-13, and modern scanners read both.
Anatomy of a UPC-A
| Part | Digits | Meaning |
|---|---|---|
| Number system | 1 | 0, 1, 6, 7, 8 for most products; 2 for weighed goods; 3 for drugs; 5 for coupons |
| Manufacturer | 5 | Assigned by GS1 |
| Product | 5 | Chosen by the manufacturer |
| Check digit | 1 | Calculated from the other 11 |
How the check digit is calculated
Take the first 11 digits, 01234567890. Multiply them alternately by 3 and 1, starting with 3 for the rightmost one: 0×3 + 1×1 + 2×3 + 3×1 + 4×3 + 5×1 + 6×3 + 7×1 + 8×3 + 9×1 + 0×3 = 85. The check digit is what you add to reach the next multiple of 10: 90 − 85 = 5. The full number is 012345678905. The generator adds it for you when you type only the first 11 digits, and warns you if a full number has a wrong check digit.
Where it is used
- Products sold in stores and online in the United States and Canada.
- Amazon and marketplace listings that ask for a UPC.
- Point-of-sale and inventory system tests.
- Coupons and price labels that follow the UPC structure.
Generating a barcode is not the same as owning the number
This tool draws a correctly formatted barcode from any number you give it. That is enough for internal use, such as inventory, shelves or test labels. To sell a product in shops and on marketplaces, however, the number must be a GTIN issued by GS1 through a licensed company prefix; otherwise it may collide with another company's product. Buy your numbers from GS1 in your country, then use this tool to draw the codes.
Private by design
The code is drawn by your browser on your own device. What you type, including passwords and contact details, is never sent to a server, and the finished image is yours with no watermark and no expiry.
Guides about this tool
Frequently asked questions
What is the difference between UPC and EAN?
UPC-A has 12 digits and EAN-13 has 13. A UPC is an EAN with a zero in front, so the two systems are compatible.
Do I need to buy UPC codes to sell on Amazon?
Marketplaces normally require valid GS1 numbers. Codes from unofficial sellers can be rejected, so get yours from GS1.
How many digits should I type?
Type 11 digits and the check digit is added, or type all 12 and the tool checks it.
Is this converter free?
Yes. There is no sign-up and no limit, and it runs in your browser, so nothing you type is sent to a server.
Does it work on a phone?
Yes. It works in any modern mobile browser, and the result updates as you type.
Related tools
More utilities that also run without leaving your browser.
Binary, decimal and hexadecimal converterConvert numbers between binary, decimal, hex and octal, and text to bytes.
Email address validatorCheck that email addresses are correctly written, one or a whole list.
IBAN validatorCheck that an IBAN is valid and format it correctly.
QR code generatorMake a QR code for a link, Wi-Fi, contact, email or text, and download it as PNG or SVG.
Random winner pickerSpin a wheel to pick one or several random winners from a list of names.
IP subnet calculatorNetwork, mask, broadcast and host range from an IP address and prefix.