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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.
December 25, 2021 · 3 min · Shoaib Khan