Web Demos

BARCODE READER SDK DEMO

Explore the flexibe barcode reading settings to optimize for your specific usage scenario.

WEB TWAIN SDK DEMO

Try the most popular web scanner features: scan images, import local images and PDF files, edit, save to local, upload to database, and etc.

BARCODE READER JAVASCRIPT DEMO

Transform any camera-equipped devices into real-time, browser-based barcode and QR code scanners.

MRZ SCANNER WEB DEMO

Detects the machine-readable zone of a passport, scans the text, and parses into human-readable data.

APP STORE DEMOS

BARCODE READER SDK FOR IOS

BARCODE READER SDK FOR ANDROID

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Table of contents

Image Editing

Can I change the resolution/DPI of an image in the viewer?

You can use the Resolution property to check the resolution while acquiring an image. To change the resolution/DPI in the viewer, you can use the following methods:

DWObject.SetDPI() // Changes the DPI (dots per inch) of the specified image depending on the input resolution parameters

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