WARNING: concrete5 5.6 and earlier are end-of-life. Sales from the marketplace have now ended. Click here to learn more about this transition.

GroupDocs.Annotation for .NET | Office, PDF & Image Annotation

With this add-on, you can seamlessly integrate GroupDocs’ document annotation .NET (C#/VB.NET) library into concrete5 CMS. The library adds HTML5-based annotation functionality to your website. Once installed, you will be able to embed over 50 types of documents and images along with the annotation UI into any page within your website. Supported file formats include:

  • Portable Document Format: PDF
  • Microsoft Word: DOC, DOCX, DOCM, DOT, DOTX, DOTM
  • Microsoft Excel: XLS, XLSX, XLSM, XLSB, XML
  • Microsoft PowerPoint: PPT, PPTX
  • Microsoft Outlook: MSG, EML
  • Microsoft Project: MPP, MPT
  • Microsoft Visio: VSD, VDX, VSS, VSX, VST, VTX, VSDX, VDW
  • OpenDocument Formats: ODT, OTT, ODS, ODP
  • Plain Text File: TXT
  • Rich Text Format: RTF
  • Comma-Separated Values: CSV
  • HyperText Markup Language: HTM, HTML, MHT, MHTML
  • XML Paper Specification: XPS
  • AutoCAD Drawing File Format: DXF
  • Image files: BMP, GIF, JPG, PNG, TIFF
  • Electronic publication: EPUB

Key Features of the Library

1. Customizable Annotation UI. The GroupDocs.Annotation for .NET library comes with a web UI which you can embed into any web-page within your website. The UI allows you or your website visitors to upload, view, annotate, share, print and save annotated documents. It provides 14+ annotation tools, including:

  • Area annotation - add notes to the selected area
  • Point annotation - add notes to any point in the document
  • Typewriter - add sticky notes with rich text
  • Text annotation - comment on selected text
  • Strikeout/underline text
  • Text replacement
  • Text redaction - blackout selected text
  • Area redaction - blackout selected area
  • Polyline - draw shapes and freehand lines
  • Pointer/arrow - drop arrows with notes
  • Watermarks
  • Ruler - measure the distance between objects in a document
  • Undo/redo - cancel or reverse annotations

The annotation web UI is optimized to make it easy to navigate and collaborate on documents from a web-browser. In particular, users can turn document pages like slides with the click of a button, preview and navigate them with thumbnails, jump between annotations throughout the document to quickly spot all added comments and markup, zoom in/out of a document, etc.

The UI is also fully-customizable. You can tweak its functionality and fit its look to your website by using your own CSS.

2. Cross-Browser Compatibility. GroupDocs.Annotation works with all common web-browsers, including IE8+, FireFox, Chrome, Opera, Safari5+ and their mobile versions. Documents can be viewed and annotated without having to install any plugins.

3. Support for Native Word & PDF Annotations. Annotations placed online on a Word or PDF document via GroupDocs.Annotation can then be exported to native Word or PDF annotations respectively in the output file for further offline editing. Likewise, PDF documents with annotations can be uploaded to GroupDocs.Annotation for further online review/annotation on your website.

4. Real-Time Annotation. GroupDocs.Annotation for .NET library allows several users to review/annotate the same document or image simultaneously. This provides a great online document collaboration experience, as everyone can see each others’ comments and markup in real time.

Installing the Add-on

Please note: this add-on requires the GroupDocs.Annotation for .NET (C#/VB.NET) library to be installed on your server first. A free evaluation copy of the library can be downloaded from the GroupDocs website.

Add to Cart

Sales have ended due to EOL

Passed Automated Tests
Has Not Passed PRB Review

Our 30 Day Support Policy

  • Replies to tickets every business day.

Support Hosted

  • On concrete5.org

Also Check Out