ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Kingshiper Image Compressor - With Kingshiper Image Compressor, you can easily compress, optimize and reduce jpg, jpeg, png, svg and gif file to a smaller size in seconds.
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
Image Compressor - Windows/Steam desktop tool to compress images and save size with almost the same quality.