Document Annotation API for Your .NET (C#, VB.NET) Apps
GroupDocs.Annotation for .NET API allows developers to seamlessly enhance their .NET apps with capability to annotate text or images in a document.
Annotation can be applied in form of comment, highlighted note, watermark, polyline and many more. Annotation appearance in the document is controlled by API properties.
Support for PDF, Office & Image Files
API allows your app users to annotate PDF files only. Moreover other document formats including Microsoft Word DOCX and images are in process. Advance document management options enable users to store, share, print and export annotated documents easily.
Native PDF Annotations
Comments and markup added to PDF files in GroupDocs.Annotation for .NET can be exported to PDF annotations in output files. Likewise, PDF documents can be imported with annotations in them.
GroupDocs.Annotation for .NET is a standalone API. When building ASP.NET apps, this document annotation API can be integrated against your UI with just a few lines of code described in examples. It can also be integrated with C#, VB.NET or mobile Apps.
Get Started Now:
Take advantage of our GroupDocs.Annotation for .NET API - Let end-users annotate PDF files from within your own app. We offer free technical support during the whole integration period. Try API for free: