A lightweight .NET library for HTML5-based document annotation. The library is designed for easy integration into web, mobile or desktop apps and allows end users to annotate 50+ types of files, including PDF, Microsoft...
A lightweight .NET library for HTML5-based document annotation. Designed for easy integration into any .NET (ASP.NET, C#, VB.NET) app, it allows end users to annotate 50+ types of files, including PDF, Microsoft Word, Excel, PowerPoint, as well as Visio, CAD and raster images.
Key features include:
1. Cross-platform compatibility. End users can view and annotate documents from any web-enabled device, including mobiles and tablets, using any HTML5-complient browser.
2. Native text rendering. Documents are rendered as text files. This allows users to select/copy and strikethrough/underline text right in documents rendered within your app or website.
3. Comprehensive set of annotation tools, including:
- Text annotation (strike-through/underline and comment on text).
- Text replacement (edit text within the document).
- Text/area redaction (blackout text/area).
- Sticky notes with rich text.
- Area annotation (comment on an area marked up with a rectangle).
- Point annotation (add notes to any point in the document).
- Polyline (draw freehand lines).
- Watermarking.
- Arrow (direct users' view to the pointed elements).
- Ruler (measure distance between objects in the document).
- Undo/redo options.
4. Convenient web UI. A customizable UI that comes with the library, allows users to seamlessly navigate and annotate large multi-page documents from a browser. Users can turn pages like slides and preview them with thumbnails, jump to a specified page or between annotations, print and export annotated documents to PDF.
5. Support for native Word and PDF annotations. GroupDocs annotations can be converted to/from native PDF or Word annotations for further offline/online editing.
Finally, GroupDocs.Annotation for .NET library doesn't require any client installation and can be deployed with a single DLL. To test the library without evaluation restrictions, please feel free to contact GroupDocs sales for a 30-day fully-functional trial.
Previous Versions
Here you can find the changelog of GroupDocs.Annotation for .NET since it was posted on our website on 2014-11-12 14:24:50.
The latest version is 1.8.1 and it was updated on 2024-04-22 15:34:24. See below the changes in each version.
GroupDocs.Annotation for .NET version 1.8.1
Updated At: 2015-02-26
Changes: - Numerous optimizations and bug fixes
GroupDocs.Annotation for .NET version 1.7.0
Updated At: 2014-10-17
Changes: - Implemented tab-based navigation between annotations
- Tooltips with user comments now appear when hovering mouse over annotations
- Added document reviewer permissions override service
- Updated references to the obfuscated assembly in the installers
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