- 1). Open a bar code generator in your Web browser. Search for "free bar code generator" online. This will bring up several free tools with which you can make your own bar codes.
- 2). Type your bar code numerical data into the "Bar Code Data" box that appears.
- 3). Choose your bar code type settings from the list.
- 4). Select an output format. This will determine which file type your generated bar code is saved as. Most free bar code generators can save to several different types of image files.
- 5). Click the "Generate" button on the bar code generator and save the image that appears.
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