RIOT - Radical Image Optimization Tool Alternatives for Mac OS X

ImageOptim is a powerful macOS utility designed to significantly reduce the file size of images without compromising visual quality. It achieves this by intelligently removing unnecessary metadata and employing various compression techniques, resulting in faster website loading times and reduced storage requirements.

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.

JPEGmini is an intelligent photo optimization software that drastically reduces the size of JPEG images without compromising quality. Utilizing a unique patented technology, it helps photographers and web developers save disk space, speed up websites, and improve image sharing efficiency.