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Barcode Generator
Processed Locally
Generate 1D barcodes (CODE128, EAN-13, UPC, etc.) with customizable format and size
Options
📦 CODE128
Supports letters, numbers, and special characters. Most versatile format.
Frequently Asked Questions
This tool supports CODE128 (alphanumeric), EAN-13 (13 digits for retail products), UPC (12 digits for North American products), and CODE39 (alphanumeric). Each format has specific data requirements.
CODE128 is a versatile barcode format that can encode numbers, letters, and special characters. It's commonly used for shipping labels, inventory management, and general-purpose barcoding where you need alphanumeric data.
EAN-13 (European Article Number) is a 13-digit barcode used worldwide for retail products. It consists of a country code, manufacturer code, product code, and check digit. Most products in stores use this format.
You can customize the bar width and height. For testing purposes, smaller barcodes work fine. For printing labels, use larger sizes (width 2-3, height 100+) to ensure scanners can read them reliably.
Yes! All barcode generation happens locally in your browser. We never send your data to our servers. Whether it's product codes, IDs, or internal tracking numbers - everything remains completely private.