About Free Barcode Generator

What this site does

Free Barcode Generator makes UPC-A, UPC-E, EAN-13, EAN-8, ITF-14, ISBN, Code 128, GS1-128, Code 39, Data Matrix, GS1 DataMatrix, QR Code and PDF417 barcodes in your browser, makes barcodes in bulk and calculates GS1 check digits. Start with the barcode generator.

How the barcodes are checked

Barcodes are drawn with bwip-js, an open-source barcode library. The check digit code is tested against published worked examples, and every barcode type is rendered in an automated test before each release.

Who builds it

The site is built and edited by Dev.