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masonpai

2D Barcode compressing

Hello support !!

We have used PDF417 JavaScript Barcode Generator to generate PDF417 2D Barcode.

As barcode data will be increased by some business requirement, We are considering to study if there is a practical reference for 2D Barcode compressing issue ...

Thanks !!

Mason Pai 08-18-2025

08-18-25 8 hr(s) ago

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Answers (1)

Jacque

Hello Mason,

If you're looking to adjust the size of the PDF417 barcodes generated via the IDAutomation JavaScript Barcode Generator, here are two effective controls you can use:

Modify the XDimension

You can directly change the barcode's module width using the XDimensionPoints parameter. Each pixel is about 10 mils or .026 cm. You may refer to the Web Browser Barcode Resolution FAQ for more information and how to achieve a precise X dimension that is not in increments of 10 mils or .026 cm.
You'll need to test the resulting barcode to ensure it remains scannable. If the modules are too small, scanning could fail—too large, and the barcode might not fit in your layout.

Control the Font and Text Size

If you're using the Font Image output option (ReturnType = 3), the barcode is rendered using a monospaced system font. In this case, you can manage the font size of the barcode, but ensure it fits properly and remains scan-friendly.

If you have specific constraints for the barcodes size or a set number of characters you need to encode, let us know and we'd be happy to take another look.

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2D Barcode compressing

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