Online Barcode Generator > Generate Code 11
This is a free web-based online barcode generator, designed for users to easily generate Code 11 (USD-8) linear barcodes in Jpeg, Gif and Png image formats. Various parameter settings are available such as barcode size, rotation, resolution, image formats, text font etc. For more settings or barcode integrations, please navigate to other KeepAutomation barcode solutions, including:


We are providing free online barcode generation service through url. You can generate barcode image in your web server through the following url:

To get this free online service, please contact us

Watch a quick video: how to get a free keycode and apply it?

Barcode Image Setting
SymbologyCode 11
Code to EncodeValid: Numeric digits 0-9, -
Unit of MeasurePixel, Cm and Inch to select
X (Bar Width)Minimum is 1 pixel
Y (Bar Height)
Orientation0, 90, 180, 270 degrees to select
Image FormatPng, Gif and Jpeg available
Left MarginA 10x margin is pre-added as specified
Right MarginA 10x margin is pre-added as specified
Show TextSet true to display data text under image
Text Font SizeFont size of the human readable text
Unlock Keycode

Checksum digit is automatically calculated and added!

Right click the barcode and select "save as" to save the image to your computer.

Code 11 Barcode SDK Library
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KeepAutomation Free Online Barcode Generator