GroupDocs.Annotation for .NET

GroupDocs.Annotation for .NET is a comprehensive set of APIs that help you build document annotation management applications in C#, ASP.NET and other .NET technologies. You can create and work with various types of annotations, such as area, point, text, ellipse, link, underline, polyline, arrow, distance, watermark etc for Microsoft Word, Excel spreadsheets, presentations, images, CAD drawing and various other formats. GroupDocs.Annotation for .NET API gives you a handy set of data objects through which you can customize annotations as per your requirements.

Supported File Formats

Microsoft Office Formats

  • Microsoft Word: DOC, DOCX, DOCM, DOT, DOTX, RTF
  • Microsoft Excel: XLS, XLSX, XLSM, XLSB, CSV
  • Microsoft PowerPoint: PPT, PPTX, PPTM, POTX, POTM, PPSM, PPS, PPSX
  • Microsoft Visio: VSD, VSS, VSDX, VST

Other Formats

  • Portable: PDF (PDF/A-1a, PDF/A-1b, PDF/A-2a)
  • OpenDocument: OTP, ODT, OTT, ODS, ODP
  • Images: BMP, GIF, JPG, JPEG, PNG, TIFF
  • AutoCAD: CAD, DWG, DXF
  • Metafiles: EMF, WMF
  • Email: EML, EMLX, MSG
  • Web: HTM, HTML
  • Others: DICOM, DjVu


Latest News

GroupDocs.Annotation for .NET V20.6
GroupDocs.Annotation for .NET V20.6
Improves PDF annotation accuracy, refactoring and processing.
GroupDocs.Annotation for .NET V20.4
GroupDocs.Annotation for .NET V20.4
Adds the ability to manage different versions of annotated documents.
GroupDocs.Annotation for .NET V20.2
GroupDocs.Annotation for .NET V20.2
Adds the ability to add image annotations to diagram documents.
GroupDocs.Annotation for .NET V20.1
GroupDocs.Annotation for .NET V20.1
Adds image annotations for Spreadsheet, Diagram, Image, PDF, Word Processing, and Presentations documents.
GroupDocs.Annotation for .NET V19.12
GroupDocs.Annotation for .NET V19.12
Improves logging for all supported document types.
GroupDocs.Annotation for .NET V19.6
GroupDocs.Annotation for .NET V19.6
Adds annotation support for PPTM, POTX, POTM and PPSM Slides formats.

Prices from: $ 979.02

Developer Small Business License A Developer Small Business license permits One (1) Developer to create an unlimited number of Derived Works using the Product which can be used at only One...

Got a Question?

Live Chat with our GroupDocs licensing specialists now.

As official and authorized distributors, ComponentSource supplies you with legitimate licenses directly from GroupDocs.
Component Type
  • .NET Class
  • .NET Core

Recent Awards