Add Image Watermark to PowerPoint Presentation using .NET REST API
This article explains how to add image watermarks to PowerPoint presentations using a .NET REST API while preserving slide layout, content, and formatting. Easy and simple guide to add watermark images to PowerPoint presentation using C# .NET.
Add Watermark in PowerPoint Presentation in C# | Watermark PowerPoint
This guide explains how to add text watermarks to PowerPoint presentations using GroupDocs.Conversion Cloud SDK for .NET while keeping slide content and layout intact.
