"I … was able to rapidly deploy a document imaging/management application practically in a couple of days."

— Wayne Hebert, AIM Technologies

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Simple & Efficient Scanning and Webcam SDK for .NET App

Dynamsoft's Dynamic .NET TWAIN is a .NET document imaging SDK based on the TWAIN and DirectShow standards. It provides rich, efficient and quick to implement APIs for scanner and webcam software development. With our .NET component and in C# and VB .NET, you can easily and rapidly embed a robust document scanning and webcam image capture module in your desktop applications. The SDK is powerful enough for enterprise-class applications, yet cost-effective to also suit small business needs.

Try our demo apps - see Dynamic .NET TWAIN in action! >>

With Dynamsoft's .NET image capture SDK, you can fully control:

Scanners and other TWAIN-compliant devices, including digital cameras and capture cards.
DirectShow-compliant webcams. You can also use our SDK to display live streams and capture snapshots from a webcam.

Our customers

I actually purchased the .net twain sdk and was able to rapidly deploy a document imaging/management application practically in a couple of days.
I was on a very tight deadline to get this done and the thought of having to code a twain scanner app from a blank c# form was undesirable to say the least."

Dynamsoft's imaging SDKs are trusted by world-leading companies such as Lockheed Martin and scanner vendors including HP, Epson, Fujifilm and more. Our customers span the globe and are leaders in many industries. These include healthcare, insurance, financial, government, industrial, and more.

Case study: Dynamic Web TWAIN Integrated into Lockheed Martin's Intranet Quorum Solution
HP Epson logo

Why Dynamic .NET TWAIN?

Industry Collaboration

Dynamsoft is an associate member of the TWAIN Working Group, which defines the TWAIN standard. We are also a Gold Certified Partner of Microsoft.

TWAIN Working Group Associate Member Mirsoft Gold Certified Partner

Improve your Productivity

Dynamic .NET TWAIN is designed to dramatically reduce the coding complexity of your .NET document imaging module. It is ideal for significantly reducing development time as well as costs. With the SDK, you can interact with TWAIN scanners and DirectShow webcams using just a couple of lines of code. It eliminates months of time and effort required to continually learn all related specifications and coding from scratch. With our award-winning technical support, it also eliminates your need to properly internally staff and support the imaging module long-term.

Our Rich sample code (C# and VB.NET) and good customer service will help you throughout your evaluation and implementation processes.

Robust Features

Capture, Edit, Save and Share Images

Supported customizable scanning configurations including ADF, duplex, resolution, pixel type, and more. After acquiring images and scanning documents, images can be edited, and then stored locally or uploaded for saving or sharing / collaboration. Support for saving and uploading include various formats: PDF, TIFF, PNG, and more. View the full features list.


Capture from scanners
and webcams


Edit to rotate, flip, scale,
crop, etc.


Upload to a web server or
save to a local disk

With support for our add-on components, you can ensure your application supports key capture technologies such barcoding, OCR and the PDF file format.

Barcode and OCR Recognition

  • Read and write 1D and 2D barcodes on images for document separation, categorization and indexing
  • Recognize text in images and save the output as PDF, text or string

PDF Annotation and PDF Rasterizing

  • Add annotations to PDF documents
  • Convert vector-based PDF files to raster images (JPEG, TIF, PDF, PNG etc.) for viewing and printing

Related Products

Dynamic Web TWAIN

This is our TWAIN ActiveX/Plugin for web-based applications. It's compatible with all the mainstream browsers on Windows and Mac OS X.

ImageCapture Suite

This Dynamsoft SDK is based on Dynamic Web TWAIN but, the suite comes with support for image capture using webcams and additional image processing add-ons: a PDF rasterizer, barcode generator and reader, and OCR.

Compare Dynamsoft's Document Imaging SDKs >>