Dynamic Web TWAIN SDK v15.1 is Released

Last Updated on 2019-08-15


  • [HTML5 | macOS] Added 64-bit support to macOS.
  • [HTML5 | macOS & Linux] Expanded the event OnPostTransferAsync from Windows to macOS & Linux. The method serves as the asynchronous counterpart to the existing synchronous event OnPostTransfer. Information about the transferred image is returned in the event listener.
  • [HTML5 | macOS & Linux] Expanded the method startScan from Windows to macOS & Linux. The method accepts a JSON object that specifies all the scan parameters. This makes it simpler and even faster to initiate a scan job. At the same time, you can specify how you want the scanned data to be processed by adding extra output parameters in the same JSON object.


  • [HTML5 | Win] Improved the methods ConvertToBlob, ConvertToBase64 and image loading methods so that they can handle much bigger files.
  • [HTML5 | Linux] Improved the image encode/decode functionalities on Linux so that it can encode/decode files just like Windows.
  • [HTML5 | macOS & Linux] Expanded PDF related capabilities to macOS and Linux so that all 3 platforms share the same features.
  • [HTML5 | macOS & Linux] Improved the PDF decode engine so that it can load more PDF files without invoking the PDF rasterizer.


  • [HTML5 | Win] Fixed a bug where some scanners can only scan with document feeder but not the flatbed.

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