Is the barcode generator free?

Yes, completely free with no signup and no usage limits.

Does my data leave my device?

No. The barcode is drawn on an HTML5 Canvas element inside your browser. Nothing is sent to any server.

Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.

Enter any text or number to generate a Code 128 barcode. Download the result as a PNG image.

100% client-side · no upload

Text to encode

Bar height (px) Show text

Is the barcode generator free?: Yes, completely free with no signup and no usage limits.
Does my data leave my device?: No. The barcode is drawn on an HTML5 Canvas element inside your browser. Nothing is sent to any server.
Does it work on mobile?: Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.