UPCGen is the simplest barcode generator on the internet. We render and generate valid UPC, EAN, ISBN, GTIN, ITF-14, Code 128, FNSKU, and Data Matrix barcodes — for sellers, warehouses, publishers, and anyone who needs a usable code in seconds.
Every existing barcode tool is either bloated software, a confusing checkbox-soup of options, or pretends to issue "free" UPCs that collide with real registered products. We wanted one clean page that generates a valid code, downloads cleanly, and is honest about when you need a real GS1 number.
Who we're for

The honesty about GS1 registration is what sold me, most free UPC generators conveniently skip the fact that unregistered codes collide with real products. Covering FNSKU and ITF-14 on the same page basically handles the whole FBA to warehouse flow. Curious if the API plan supports batch generation from a CSV?
The honesty about GS1 registration is what sold me, most free UPC generators conveniently skip the fact that unregistered codes collide with real products. Covering FNSKU and ITF-14 on the same page basically handles the whole FBA to warehouse flow. Curious if the API plan supports batch generation from a CSV?

The honesty about GS1 registration is what sold me, most free UPC generators conveniently skip the fact that unregistered codes collide with real products. Covering FNSKU and ITF-14 on the same page basically handles the whole FBA to warehouse flow. Curious if the API plan supports batch generation from a CSV?
The honesty about GS1 registration is what sold me, most free UPC generators conveniently skip the fact that unregistered codes collide with real products. Covering FNSKU and ITF-14 on the same page basically handles the whole FBA to warehouse flow. Curious if the API plan supports batch generation from a CSV?
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