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Contents Summary
 

Features Overview

GroupDocs.Watermark for .NET API presents a wide range of features related to watermark. Some key features are listed below.

  1. Adding text/image watermark to supported document formats
  2. Searching and removing text/image watermark in supported document formats
  3. Searching watermarks in particular objects
  4. Adding watermark to images inside a document
  5. Working with existing watermark objects in supported document formats
  6. Extracting information of watermark objects in a document
  7. PDF document rasterization
  8. Getting document information
  9. Searching watermarks by text formatting (font, color etc)
  10. Working with hyperlinks associated with document entities (all formats)
  11. Setting background image for charts in Excel and PowerPoint document
  12. Working with PDF and email attachments
  13. Using Dynabic.Metered account to use API in licensed mode

Adding Watermark

Following are the watermark types that can be added to each supported document format.

Document FormatWatermark TypeGroupDocs.Watermark for .NET
PDFXObject (image and text)(tick)
 Artifact (image and text) (tick)
 Annotation (image and text)(tick)
WordShape (image and text)(tick)
ExcelShape (image and text)(tick)
 Header & Footer (image and text)(tick)
 Background image(tick)
PowerPointShape (image and text)(tick)
VisioShape (image and text)(tick)
Raster Image FormatsText(tick)
 Image(tick)
Multi-page tiffText(tick)
 Image(tick)
Animated gifText(tick)
 Image(tick)

Removing Watermark

Following are the watermark types that can be removed using GroupDocs.Watermark.

Format

Watermark type

GroupDocs.Watermark

PDF

XObject (image and text)

(tick)

 

Artifact (image and text)

(tick)

 

Annotation (image and text)

(tick)

 

Regular text

(tick)

Word

Shape (image and text)

(tick)

 

Regular text

(tick)

 

Hyperlinks

(tick)

Excel

Shape (image and text)

(tick)

 

Header&Footer (image and text)

(tick)

 

Background image

(tick)

 

Text and formulas in cells

(tick)

 

Hyperlinks

(tick)

PowerPoint

Shape (image and text)

(tick)

 

Hyperlinks

(tick)

Visio

Shape (image and text)

(tick)

 

Diagram comments

(tick)

 

Hyperlinks

(tick)

Email

Attached and embedded images

(tick)

 

Subject and body text fragments

(tick)

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