Tag Archives: Watermark Protected Files using CSharp

Watermark Password Protected Documents using C#

Watermarking is one of the ways to protect your documents from illegal use; branding your files; mentioning your documents as drafts or confidential. In order to watermark your files programmatically, this article guides you on how to add watermark to your password-protected files using C#. We will separately look into adding text and image watermarks to the protected files.

The following topics are discussed in this article:

  • .NET API to Watermark Password Protected Files
  • Add Watermark to Protected Files using C#
    • Apply Text Watermark
    • Apply Image Watermark
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