ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
SISTRIX - SISTRIX toolbox is an SEO tool for professionals helping reputable companies to constantly improve their websites.
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Phatch - Phatch = Photo & Batch!
Page Weight - Find and fix heavy images on your website