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Dynamic .NET TWAIN

Scanner and Webcam Capture for your WinForms and WPF Applications

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

Wayne Hebert, AIM Technologies

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 in C# and VB .NET, you can easily and rapidly embed a robust document scanning and webcam image capture module in your Winforms and WPF desktop applications.


Scanners and other TWAIN-compliant devices, including digital cameras and capture cards.


You can also use our SDK to display live streams and capture snapshots from a webcam.


Capture Images from Scanners and Webcams

Acquire images from scanners and other TWAIN compliant devices

Supports Native, Buffered Memory, and Disk File image transfer modes.

Support for Auto Document Feeder (ADF) and batch scanning.

Supports the modification of common device features using TWAIN properties. Modifiable features include IfAutoFeed, IfAutoScan, Resolution, BitDepth, Brightness, Contrast, Unit, Duplex, and so on.

Supports blank page detection.

Support for extracting images from PDF files.

Supports changing and saving scanner profiles.

Capture Images from UVC and WIA compliant webcams.

Capture images and display live streams from a selected webcam.

Customize image properties:

Resolution, Framerate, MediaType

Brightness, Contrast, Hue, Saturation, Sharpness,

Gamma, White Balance, BacklightCompensation, Gain, ColorEnable Zoom, Focus, Exposure, Iris, Pan, Tilt, Roll

Add-on components


Read and write 1D and 2D barcodes on images for document separation, categorization and indexing

PDF Rasterizing

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

OCR Recognition

Recognize text in images and save the output as PDF, text or string

PDF Annotation

Add annotations to PDF documents

Our customers

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.

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.

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

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.


Capture from scanners and webcams


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

Save and Share Images

Upload to a web server or save to a local disk


Customizable image scanning and loading process

Compatible with TWAIN Specification 2.1, and backwards

compatible with earlier specifications

Save and upload images to a local disk, FTP site, web

server or database

Supports BMP, JPEG, PNG, TIFF, PDF, multi-page TIFF, and

multi-page PDF file formats

WinForms & WPF controls available for most components

Supports WinForms (.NET Framework V2.0 SP2 and above)

&WPF (.NET Framework V3.5 SP 1 and above) applications

Compatible with DirectShow

Supports .NET 32 and 64 bit

Supports AnyCPU (x86/x64) build

Supports accessing 32-bit TWAIN drivers from both 32-bit and 64-bit applications

Barcode and OCR recognition

PDF Rasterizing and Annotation


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