ResizePixel - Free image editor to crop, resize, flip, rotate and convert images online
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
PhotoResizer.com - Square Photo is another Free Photo Editing Application that helps you to create amazing photos using multiple backgrounds, stickers, emojis and much more.
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Colorcinch - The #1 Photo Editor & Cartoonizer
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.