Amazon Barcode Generator for FBA, UPC, EAN & FNSKU
Create Amazon-ready UPC-A, EAN-13 and Code 128 barcodes for FBA products, shipment labels and FNSKU workflows. Free online generator, no signup, download PNG or SVG instantly.
Generate Your Amazon Barcode — FreeWhich Barcodes Do Amazon Sellers Need?
Every product shipped to an Amazon fulfillment center must carry a scannable barcode — no exceptions. Amazon accepts manufacturer barcodes (UPC, EAN, ISBN) or its own FNSKU labels. If your product does not already carry a GS1-registered barcode, you must generate one before creating your listing. Using the wrong format, a low-resolution image, or missing quiet-zone margins (6.25 mm on sides, 3.1 mm top/bottom) can cause your shipment to be rejected or delayed at the warehouse. Our free barcode generator outputs print-ready PNG and SVG files at the correct resolution, with proper margins, so your labels pass Amazon's scanning requirements every time.
How to Generate an Amazon FBA Barcode
- 1
Select UPC-A (for US/Canada retail) or EAN-13 (for international listings) from the format dropdown.
- 2
Enter your 12-digit UPC or 13-digit EAN number. If you don't have a GS1 number yet, choose Code 128 for internal SKU tracking.
- 3
Click Generate. Your barcode appears instantly — no account needed.
- 4
Download as PNG (for label printing) or SVG (for professional print files).
- 5
Apply the label to your product, covering any existing barcodes, then verify scannability before shipping to Amazon.
Recommended Barcode Formats
Frequently Asked Questions
How do I create an Amazon barcode?
Choose the barcode format Amazon requires for your product or label, enter your valid UPC, EAN, FNSKU or shipment code, then generate and download the barcode as PNG or SVG. For product listing identifiers, use a GS1-issued UPC or EAN. For FNSKU labels, copy the FNSKU from Amazon Seller Central and encode it as Code 128.
Can I generate FNSKU barcodes for Amazon FBA?
Yes. Amazon FNSKU labels are commonly encoded as Code 128. This tool can generate a Code 128 barcode image from the FNSKU value you get in Seller Central. It does not create or assign the FNSKU number itself; Amazon provides that inside your seller account.
Do I need a GS1 UPC or EAN barcode for Amazon?
For many Amazon product listings, the UPC or EAN number must come from GS1 or another source accepted by Amazon. This generator creates the barcode image from the number you enter, but it does not issue official GS1 numbers. If you already have a valid UPC-A or EAN-13, you can generate a print-ready barcode here.
What resolution should Amazon FBA barcode labels be printed at?
Amazon recommends printing at a minimum of 300 DPI on matte white, non-reflective label stock. Our PNG export is high-resolution and our SVG format is infinitely scalable, making both formats suitable for laser and thermal printers.
What size should Amazon FBA labels be?
Amazon accepts label sizes between 1" × 2" and 2" × 3". The most commonly used size is 1" × 2⅝" (compatible with Avery 5160 label sheets). Make sure there is at least ¼" (6.25 mm) of white space on each side of the barcode and ⅛" (3.1 mm) on top and bottom.
Can I generate barcodes in bulk for all my Amazon products?
Yes. Our bulk barcode generator lets you enter one SKU or product number per line and generates all barcodes at once. Download the full set as a ZIP file containing individual PNG or SVG files, then print directly onto label sheets.
What is the difference between UPC and FNSKU on Amazon?
A UPC (Universal Product Code) is a globally unique identifier tied to your product and brand, purchased from GS1. An FNSKU (Fulfillment Network Stock Keeping Unit) is an Amazon-specific code generated by Seller Central that ties an item to your seller account. Amazon uses FNSKUs internally in its fulfillment centers. You can choose to use your UPC or switch to FNSKU labeling — our generator supports both Code 128 and UPC-A formats.
Ready to generate your barcode?
Free, instant, no signup required. Supports 20+ formats including Code 128, EAN-13, UPC-A, QR Code, and more.
Generate Your Amazon Barcode — Free