Category Archive: GroupDocs.Annotation Product Family

Official blog with announcements of latest supported features, hot fixes, technical articles, tips and videos of GroupDocs.Annotation – A document annotation API for .NET, Java and Cloud.

Add arrow annotation in a PDF file using C#

We are living in a paper-less era. Everything in business has gone digital. If you are given a document (e.g. PDF, Word, Presentation) and asked to brief the sales achieved in 2018. What will you do? You will try to … Continue reading

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Annotate documents programmatically using GroupDocs.Annotation for .NET

How about annotating a document programmatically? GroupDocs.Annotation for .NET offers a wide range of annotations (e.g. graphical, watermark, redaction, underline, etc.) that can be added in any supported document without third party software/tool installation. If you are already using GroupDocs.Annotation … Continue reading

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Adding Ellipse Annotation in a PDF Document

GroupDocs.Annotation API GroupDocs.Annotation comes with an extensive set of tools that you can use to easily add common shapes to your documents as an annotation. The list of tools is not limited to area, point, text, polyline, etc. In this … Continue reading

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Add Ellipse Annotation in Multiple Documents

We are always keen to make our APIs rich in features and enhance usability. When we talk about annotation types. One cannot neglect ellipse annotation. Its a multi purposed annotation type. For instance you can use it to display extra … Continue reading

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Export Annotations to TIFF Files

This may be a big news for those who annotate TIFF documents, most of the time. Previously, there was issue with this format. API was throwing exception “Cannot open image file”. But now you can: Import annotations from TIFF file … Continue reading

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Cache Page Previews in GroupDocs.Annotation for Java

EnableCaching feature stores image representation of a document in a directory at the local drive. In case of repetitive processing/opening of a document, it uses cached data. This thing helps to avoid the processing of the same document again and … Continue reading

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Implement Link Annotation in PDF Documents

You might be wondering if there would be more annotation types. The wait is over, we’ve introduced Link Annotation in GroupDocs.Annotation for .NET 19.4. With the passage of time we’ll introduce more annotations. Currently, Link Annotation is supported for PDF, … Continue reading

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Add Ellipse Annotation in Slides

We try our best to provide minimal yet appropriate solutions to our customers. Hence, in this month’s release of GroupDocs.Annotation for .NET 19.3 you will observe some new “easy-to-implement” features. Lets start with ellipse annotation. You might be looking for … Continue reading

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Possibility to Cache Page Previews using GroupDocs.Annotation for .NET 19.1

We are pleased to announce another monthly release of GroupDocs.Annotation for .NET 19.1. API now allows you to cache page previews and implement possibility to display distance annotation caption for Slide, Cell and Diagram formats. Apart from that, line width … Continue reading

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Export Annotations with Additional Options using GroupDocs.Annotation for .NET 18.12

We are excitedly announcing another monthly release of GroupDocs.Annotation for .NET. This latest release 18.12 allows you to export annotations with some additional options, like the ability to export specific annotation type, range of pages and few more. Apart from … Continue reading

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