Document and Image Annotation solutions

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.

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