Color Palette Generator - Enter the URL of an image and find its color palette
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Color Hunt - Curated collection of beautiful colors, updated daily
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.