GroupDocs.Watermark for .NET
GroupDocs.Watermark for .NET is a powerful document watermarking API to add image and text watermarks. Furthermore, API works to search and remove the watermarks which were already added to the documents by other third-party softwares. The watermarks added by this API are hard to remove by any third-party tools. It is straight-forward and self-descriptive for integration into the custom applications. Microsoft Word, Excel, PowerPoint, Visio, PDF, raster images multi-page tiff and animated GIF formats supported.
An overview of document watermark API how to add and remove watermarks
Load Document
Create Search Criteria
Initialize Search Criteria
Find Possible Watermarks
Remove Found Watermarks
Save Document
Watermark Types
Text
Image
Watermark Placement
Load Document
Create Watermark Object
Initialize Object
Add Watermark
Save Document
Easy integration
Multiple supported document formats
Adding watermark to images inside a document
Text and image watermark types
Search and remove Text/Image watermark
Working with existing watermark objects
Extracting watermark objects information in a document
Specify objects for watermark search
PDF document rasterization
Getting document information
Searching watermarks by text formatting (font, color etc)
Working with hyperlinks associated with document entities (all formats)
Setting background image for charts in Excel and PowerPoint
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