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.Annotation
cURL

Work 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.Annotation
Cloud SDK for .NET

Use 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.Annotation
Cloud SDK for Java

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

GroupDocs.Annotation On Premise APIs Include

GroupDocs.Annotation for .NET
GroupDocs.Annotation
.NET

Native .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
Java

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

GroupDocs.Annotation Cross Platform Apps Include

GroupDocs.Annotation Total
GroupDocs.Annotation
Total

Annotate more than 30 document formats online from any browser.

GroupDocs.Annotation DOCX
GroupDocs.Annotation
DOCX

Add annotations in Microsoft Word documents online without any subscription.

GroupDocs.Annotation PDF
GroupDocs.Annotation
PDF

Annotate PDF documents online for free, from your web browser.