Create Code128, EAN-13, and UPC-A barcodes instantly. Free, private, no signup.
Frequently Asked Questions
What barcode formats does this generator support?
This generator supports Code128 (any text/numbers), EAN-13 (13-digit product codes), and UPC-A (12-digit product codes). Code128 is the most versatile and can encode any ASCII characters.
What is the difference between Code128, EAN-13, and UPC-A?
Code128 is a universal format that can encode any text, numbers, and symbols. EAN-13 is used internationally for retail products (13 digits). UPC-A is used primarily in North America for retail products (12 digits). Choose Code128 for general use, EAN-13 or UPC-A for retail products.
How do I get an EAN-13 or UPC code for my product?
You need to register with GS1 (gs1.org) to obtain official barcode numbers. GS1 assigns a company prefix, and you assign unique product numbers.
Can I change the barcode colors?
Yes, you can customize both the bar color and background color. For best scanning results, use dark bars on a light background.
What image formats can I download?
Barcodes are downloaded as PNG images. PNG maintains quality at any size, ideal for printing and digital use.
Can I use these barcodes commercially?
Yes, the barcodes generated are standard-format. For retail products, use GS1-registered numbers to ensure uniqueness.
Why is my barcode not scanning?
Common reasons include invalid format, incorrect digit count, low contrast, or printing too small. Ensure at least 2 inches wide.
Is my data sent to a server?
No, all generation happens in your browser. Your data never leaves your device.