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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How to read an inverted barcode?

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Typically, normal barcode images include a dark barcode on a light background. An inverted image in this case would have a light barcode on a dark background instead. In order to read those types of barcodes, the grayscaleTransformationModes array of furtherModes must prioritize GTM_INVERTED like shown in the below example.

settings.furtherModes.grayscaleTransformationMode[0] =
  Dynamsoft.DBR.EnumGrayscaleTransformationMode.GTM_INVERTED;
await scanner.updateRuntimeSettings(settings);

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