GroupDocs.Watermark is a robust cross-platform library that allows to add watermarks that are hard to be automatically removed by third-party tools, search and remove previously added watermarks of popular types (including watermarks added by third-party tools) in a document.
The API provides the following features:
Add text and image watermark to supported document formats.
Search and remove text and image watermarks.
Search watermarks in particular objects.
Apply a watermark to images inside a document.
Work with existing watermark objects.
Extract information of watermark objects in a document.
Perform PDF document rasterization.
Fetch document basic information.
Search watermarks by text formatting (font, color, etc.).
Set background image for charts in Excel and PowerPoint documents.
Windows, Linux, and macOS
.NET Core 3.1 and higher
Get started with GroupDocs.Watermark for Python
If you are new to GroupDocs.Watermark, see the following topics first:
If you encounter an issue while using GroupDocs.Watermark or have a technical question, feel free to create a post in our Free Support Forum. If free support is not sufficient, you can submit a ticket to our Paid Support Helpdesk.
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