Linux Softwares to Watermarking

Master PDF Editor is a comprehensive PDF editing suite for Windows, macOS, and Linux. It empowers users to create, edit, view, annotate, and sign PDF documents with a robust set of tools.

ImageMagick is a powerful, free, and open-source software suite designed for comprehensive manipulation of both raster and vector images. It offers a vast array of tools for displaying, converting, editing, and processing image files, accessible primarily through a compelling command-line interface.

RawTherapee is a powerful, cross-platform open-source raw image processing application. It provides a comprehensive suite of tools for non-destructive editing of raw photographic files, offering advanced control over exposure, color, detail, and more for photographers seeking fine-tuned image manipulation without the limitations of compressed formats.