Free Barcode Generator: Code 128, Print or Share

1. Generate

Code 128

A high-density 1D barcode that encodes the full ASCII set: letters, digits, and common symbols.

Used widely in shipping, inventory, and warehousing. Stick to printable ASCII for best scanner support.

Label

Value

2. Preview

Here's your barcode.

my label

ÌvalueÈÎ

value

3. Customize

Tweak the sticker size and visibility.

Sticker width (cm)

Sticker height (cm)

Label font size (cm)

Barcode font size (cm)

Value font size (cm)

Show label

Show value

4. Share

You can link to this page with url parameters.

Some inputs are too long to fit in the URL.

Share URL

Print when opening link

How to use the Barcode Generator

Type the value you want to encode.

Adjust the size and label as needed.

Hit Print, or copy the share URL. Opening it later restores the same barcode.

Frequently asked questions

Which symbology is used?

Code 128, which encodes any printable ASCII (letters, digits, and most punctuation).

How do shareable URLs work?

Settings are encoded in the URL query string, so anyone opening the link sees the same barcode. Add ?print=true to auto-open the print dialog.

Is the barcode generated on a server?

No. The SVG is rendered locally, so the value you type never leaves your device.

Barcode Generator