Advanced usage

Learn about advanced GroupDocs.Watermark usage. Please find advanced details how to customize your watermarks, search, modify and remove existing watermarks.

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GitHub examples

You may easily run the code above and see the feature in action in our GitHub examples:

Free online document watermarking App

Along with a full-featured .NET library, we provide simple, but powerful free Apps.

You are welcome to add watermark to PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX, emails, and more with our Free Online Document Watermarking Apps.