Online Barcode Generator
Generate high-resolution barcodes in CODE128, EAN-13, and UPC formats with PNG/SVG downloads.
π Dimensions & Appearance
ποΈ Live Preview
Generated barcodes fully comply with GS1 and ISO standards, readable by all standard laser and CCD barcode scanners.
π Barcode Standards and When to Use Them
β CODE128
High-density barcode supporting alphanumeric characters and symbols. Universally used in shipping, supply chains, and inventory management.
β EAN-13 & UPC
The standard for retail point-of-sale scanning. EAN-13 is used worldwide (including Europe), while UPC-A is standard in North America.
β Frequently Asked Questions
Why is the last digit of an EAN-13 calculated automatically? βΌ
In EAN-13, the 13th digit is a checksum computed via a modulo algorithm on the preceding 12 digits, preventing scanner misreads.
Can I print directly to a thermal label printer? βΌ
Yes! Click "Print Label" to send directly to your desktop or thermal label printer, or download vector SVG for professional label software.