ImageMagick Alternatives for Mac OS X

PhotoBulk is a powerful yet simple bulk image editor for macOS. It allows users to perform multiple editing operations on hundreds or thousands of images simultaneously, including watermarking, optimization, resizing, and renaming, all through an intuitive drag-and-drop interface.

Preview is the native image and PDF viewer for macOS. It offers essential tools for viewing, annotating, and basic editing of these file types directly within the Apple ecosystem. Designed for efficiency and low resource use, Preview provides a seamless and integrated experience for handling common document and image formats on Mac computers.

XnConvert is a robust and free cross-platform batch image processing tool designed to handle multiple image manipulation tasks at once. It supports over 500 file formats and allows users to combine more than 80 distinct actions, making it an indispensable asset for photographers, graphic designers, and anyone requiring efficient bulk image editing.

Phatch is a powerful yet user-friendly batch image processor that simplifies repetitive image editing tasks. Its intuitive drag-and-drop interface and extensive action library make it ideal for photographers, web designers, and anyone needing to process large volumes of images efficiently.

GraphicsMagick is a powerful and efficient open-source software suite for image processing. Designed for command-line use and integration into scripts and applications, it provides a comprehensive set of tools for manipulating, converting, and performing various operations on image files in numerous formats.