Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Smaller - Make your websites load faster
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Ralpha Image Resizer - High-speed image batch conversion tool