Resizing.app - Image resizing has never been so simple with free online resizing.app. Convert, optimize, resize images with ease and for absolutely free.
Landscape by Sprout Social - An interactive tool for social media image resizing
Image Resizer for Windows - Lets you resize images by right-clicking.
OgHero - Generate social share images for your blogs automagically
Icecream Image Resizer - Image resizer by Icecream Apps is a program to resize images fast and free. Windows version. Free Download.
Bold - Ultra-fast anonymous publishing platform.