Atalasoft's DotImage SDK is a full featured imaging toolkit (SDK) for Microsoft .NET and brings advanced viewing and image processing to your desktop or web applications. Easily scan, view, convert, edit, annotate, and transform paper and electronic documents.  DotImage includes a collection of innovative imaging controls for ASP.NET, Windows Forms controls for thick-client Windows applications, and a robust high performance imaging API library.  Some add-ons required.  For streamlined pricing ask about our cost effective Subscription Agreements.  If you have any questions please let us know


DotImage® Features

HTML5 Web and Mobile Viewing.

  • Web and Mobile viewing of TIFF, PDF, PDF/A, DICOM, JPEG200, JBIG2, Word, Excel, PowerPoint and many other formats.
  • Open any DotImage supported image type, view and print from any repository of documents
  • Edit, Insert, Reorder, Remove or Rotate pages, and Cleanup documents using binarize, deskew and despeckle to name a few.
  • Controls for WinForms, ASP.NET, ASP.NET MVC, Silverlight, and WPF
  • Thumbnail Viewer Ciontrol - Drag & drop, page reordering, Anti-aliasing, Customize thumbnail size, Multi-thread
  • Touch Support and Adaptive Scaling for Mobile Viewing
  • Stream individual pages on demand without downloading the entire document first
  • In browser PDF Form Fill
  • Thumbnail viewer allows for pages to be rearranged.
  • The document toolbar adds the ability to open, resize, zoom in/out and more.
  • .NET Desktop Viewing and Image Processing
  • OMR or Optical Mark Recognition

PDF: View, Edit, and Create.

  • Add PDF viewing and editing to your desktop or web application.
  • View a PDF, convert another format to a PDF, manipulate the pages of a PDF, or read or write PDF meta-data or bookmarks
  • Convert PDF documents into any supported DotImage image format (multipage TIFF, JPEG, etc).
  • Adobe Reader is not required.
  • With DotImage you can view and annotate a PDF in any of our controls. PDF/A and encrypted PDF are supported,
  • Need to create a searchable PDF? Add an OCR engine and our Searchable SDK to create a two-layer PDF with the original image and recognized text.
  • Conversion - Convert from PDF to another image format
  • See PDF Reader with Text Extraction Add-on below


  • Quickly add annotation support to your desktop or web application.
  • Redact sensitive information, highlight critical information, create custom annotations, visual signatures, or text notes.
  • Out of the box viewing, printing, burning, and editing of images with annotations.
  • Support for Freehand, Text box, Sticky note, Rubber Stamp, Custom images, Signature, Redactions, Shapes, Line, Ellipse, Rectangle and polygons.
  • Built-in support for annotating multipage documents such as multi-page TIFFs.
  • View and Author PDF Annotations without requiring Adobe Acrobat.
  • Print images with annotations exactly as they appear on the document,
  • Standard and customizable markup and redaction annotations in an integrated toolbar

Format Conversion.

  • DotImage can be used as the basis for the image or PDF conversion features of your application.
  • Read or write PDF, TIFF, PNG, JPEG, and many other common image formats.
  • Read and convert DICOM, DWG, or DXF.
  • Compatible with the .NET Bitmap class.
  • Use DotImage for large quantity batch file format conversions (TIFF to PDF for example)

Image Processing.

  • Perform many simple image processing functions icluding crop, rotate, flip, resize, or resample.
  • Powerful image clean up including complex overlays, noise addition and reduction, color management, or auto-leveling.
  • Advanced photo and document processing like our fast (patented) Deskew algorithm, despeckle, border/line/hole-punch removal, and much more.
  • Image clean up for downstream OCR processing

Manipulate Multi-Page Documents.

  • For TIFF and PDF files, we support reordering, removing, adding, replacing, and combining pages to create new files.
  • Replace individual pages with cleaned up versions, combine multiple documents, remove blank or redacted pages.
  • Split or merge multi-page documents into new single or multi page documents
  • Support for viewing, editing and writing multi-page documents

Twain Scanning.

  • DotImage includes DotTwain, a .NET SDK for capturing digital images from scanners, cameras, and other TWAIN devices.
  • DotTwain uses the latest TWAIN specifications for ultra fast scanning for scanner and camera drivers
  • Desktop Scanning - Configure and start a scan using a simple API
  • Custom Separation - Use barcodes or any other behavior to automatically divide and create individual documents from a bulk scan
  • DotTwain is included within DotImage or can be purchased as a standalone SDK
  • .NET Scanning controls that allow you to scan directly from a web browser.  Click here to visit our WingScan Page.

Winforms Viewing.

  • Easy-to-use Windows Forms viewing controls
  • ImageViewer - Our basic lightweight WinForms viewer. Designed to show a single AtalaImage at a time.
  • WorkspaceViewer - A WinForms viewer, with additional built in functionality
  • AnnotateViewer - Our WorkspaceViewer with built in annotation functionality.


DotImage Add-ons


PDF Reader with Text Extraction.

Integrate PDF viewing, printing, and format conversion within your application. This SDK is needed if:

  • You have an already created PDF and want to view it using DotImage
  • You have created a PDF using DotImage and you want to view the PDF
  • You want to view / highlight searchable PDF’s.
  • Please Note: Ability to convert a DotImage support format to PDF is included within DotImage

Office Decoder.

Decodes Word, Excel, and PowerPoint documents into color or grayscale raster images.

OCR and Searchable PDF.

OCR and create searchable PDFs with DotIOmage and our OCR technolgy.  Click here to visit our OCR Page.

Barcode Reading and Writing.

Read and write both 1D and 2D barcodes, Click here to visit our Barcode Page


Generate PDFs from scratch or edit the pages of existing PDF files.  Click here to visit our DotPDF Page.

We are here to help.

DotImage is backed by a remarkable support team of expert .NET and imaging developers.  If you have any questions please take a look at our technical section or simple send us an e-mail and we will find the answer for you.  Rather test drive DotImage, feel free – we offer a 30 day Evaluation with Full Support.

Atalasoft’s DotImage has enabled us to offer the browser-based scanning solution that our customers were looking for

Larry Oliver
President - FileHold