Barcode Generator
AMAZON FBA TOOL

UPC / EAN Barcode Generator

Generate UPC-A, EAN-13, Code 128 barcodes instantly. Download as PNG for Amazon FBA labels and product packaging.

🔒 100% Client-side · Generated in your browser only
Invalid barcode format for selected type

Preview updates as you type. For Amazon FBA use UPC or EAN codes.

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📖 Barcode Generator Guide

What is

Barcodes are visual representations of data using varying widths of bars and spaces. They're essential for retail, inventory management, logistics, and product identification. This tool supports all major barcode standards and generates high-quality barcode images ready for printing.

Key Features

Common Use Cases

Creating product barcodes for e-commerce listings. Generating inventory labels for warehouse management. Making barcode labels for asset tracking. Printing barcodes for event tickets or membership cards.

How to Use

Select the barcode format you need. Enter the data to encode (numbers, text depending on format). Adjust the width, height, and text display options. The barcode preview updates in real-time. Click Download to save as a PNG image ready for printing.

Pro Tips

Frequently Asked Questions

What's the difference between EAN-13 and UPC-A?

EAN-13 is 13 digits and used worldwide. UPC-A is 12 digits and used primarily in the US and Canada. EAN-13 codes starting with 0 are equivalent to UPC-A codes. Both are GS1 standards for retail product identification.

Can I just make up my own barcode numbers?

For internal use (inventory, assets), yes, you can use any numbers. For retail products that need to scan at stores, you need official GS1 barcodes with a registered company prefix. Self-generated barcodes won't be in any product database.

What is a check digit?

The check digit is the last digit of EAN and UPC barcodes. It's calculated from the other digits using a mathematical formula. When scanned, the system recalculates the check digit to verify the barcode was read correctly.

Which barcode format should I use?

For retail products: EAN-13 (international) or UPC-A (US/Canada). For internal inventory with letters and numbers: Code 128. For simple numeric codes: Code 39. For shipping and logistics: Code 128 is most common.