ResizePixel is a free online image editor where simplicity is essential feature. It is designed to crop, resize, flip, rotate and convert images to various formats. The service is mobile-friendly, fast and easy to use.
Material Palette - Generate and export your Material Design 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
Ralpha Image Resizer - High-speed image batch conversion tool
Color Palette Generator - Enter the URL of an image and find its color palette
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.