Question 1

Which barcode format should I use?

Accepted Answer

CODE128 is the most versatile for general text and numbers. UPC and EAN are specific to retail products. ITF is used for shipping containers.

Question 2

Why is the input turning red?

Accepted Answer

Some barcode formats have strict requirements. For example, EAN-13 requires exactly 12 or 13 digits (no letters).

Question 3

Can I use this for real products?

Accepted Answer

Yes, you can generate valid codes matching your assigned GTIN/UPC numbers for printing on product labels.

🛒 Barcode Generator

❓ Frequently Asked Questions