Document and Image Annotation Solution

Annotate documents with our online apps or build your own custom annotation applications across popular platforms using On-Premise or Cloud APIs.

GroupDocs.Annotation Cloud APIs Include

GroupDocs.Annotation Cloud for cURL

GroupDocs.AnnotationCloud for cURLWork with cURL RESTful document annotation API to quickly annotate PDF, Word, Excel, PowerPoint, Visio, images and many other formats in your applications.

GroupDocs.Annotation Cloud SDK for .NET

GroupDocs.AnnotationCloud SDK for .NETUse annotation RESTful API easily with .NET SDK to add text, watermark, area, point and various other annotation types to 40+ popular file formats.

GroupDocs.Annotation Cloud SDK for Java

GroupDocs.AnnotationCloud SDK for JavaAdd high quality document annotation features to document and image formats with specially designed document annotation SDK for Java.

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GroupDocs.Annotation On Premise APIs Include

GroupDocs.Annotation for .NET

GroupDocs.Annotation for .NETNative .NET API to efficiently add, edit or delete annotations from documents and images. Supports working with all popular annotation types.

GroupDocs.Annotation for Java

GroupDocs.Annotation for JavaJava file annotation API to comprehensively annotate most common document and image file formats on any operating system with JDK installed.

View All On Premise APIs