Online Barcode Generator > Generate Data Matrix
This is a free web-based online barcode generator, designed for users to easily generate Data Matrix two-dimensional 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 refer to 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
SymbologyData Matrix
Code to EncodeValid Input: All ASCII chars. A-Z, a-z, 0-9, punctuation, etc
DataMatrixFormatModeData Matrix format mode (module number x module number)
TildeEnabledSet true to encode function chars etc
Unit of MeasurePixel, Cm and Inch to select
X (Module Width)Minimum is 1 pixel
Orientation0, 90, 180, 270 degrees to select
DPIImage resolution
Image FormatPng, Gif and Jpeg available
Left MarginSpecification requires a min 1X margin
Right MarginSpecification requires a min 1X margin
Top MarginSpecification requires a min 1X margin
Bottom MarginSpecification requires a min 1X margin
Unlock Keycode

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

Data Matrix Barcode SDK Library
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Data Matrix for ASP.NET Data Matrix for VB.NET Data Matrix for Word Data Matrix for Reporting Services
Data Matrix for .NET WinForms Data Matrix for Java Data Matrix Font Data Matrix for RDLC Reports

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KeepAutomation Free Online Barcode Generator