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Creating UPC barcodes used to be a long, drawn-out process that could take weeks or even months. Once you were assigned a UPC barcode by GS1 US, you then would hire a company to typeset it, output the film, and send the finished piece to you. For duplicate copies, you'd use a service bureau to make PMTs for pasting into place on your layout. Today, with extension technology, it's far easier. In fact, you could have added a barcode to your project in less time than it took you to read this paragraph.
BarCoder XT for QuarkXPress 4.0, 6.1, and 7.1
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BarCoder XT for QuarkXPress creates PostScript® bar codes for within QuarkXPress projects. There are several different symbologies and many options for each bar code. The bar codes are Encapsulated PostScript (EPS) files that provide high-resolution during output.

BarcodeMaker for InDesign CS, CS2, and CS3
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Create customized barcodes with the BarcodeMaker Plug-in for InDesign. The process is simple and fast and includes versatile options that allow users to make up to 19 different types of barcodes in a single user-friendly palette. Fully customize each individual barcode by adding numbers, changing fonts and font size, controlling barcode height, and including or excluding checksum digits.
POSTools, a Stand-alone Application
POSTools is an easy-to-use, versatile solution for creating POSTNET barcode pieces designed for US mail delivery, such as a business-reply mail card. The flexibility of a stand-alone product means that you can use your favorite application — be it a desktop-publishing application, Excel® spreadsheet, or FileMaker® database — and POSTools generates POSTNET bar codes in just a few clicks.
POSTNET bar codes are used to encode ZIP codes on US mail. With POSTools, POSTNET bar codes can be created for both 11-digit delivery-point barcodes as well as 9-digit ZIP+4 codes. The United States Postal Service prefers the use of 11-digit ZIP codes and gives significant rate discounts for their use. With POSTools, it's a easy matter to create these and benefit from the discounts.
POSTools also includes graphics files that create the FIM (facing identification mark) bars, used on business reply mail.



