3 hours ago · software

How to Add Watermarks to PDF Documents Using C#

PDF documents are widely used across industries because of their stability, cross‑platform compatibility, and high security. Adding watermarks is an effective w...

2 days ago · software

How to Add Text Watermarks to PowerPoint Presentations using Java

Spire.Presentation for Java: Introduction and Installation Spire.Presentation for Java is a powerful, feature‑rich API that allows Java applications to create,...