Photo Size Optimizer - Photo Size Optimizer for Mac is a powerful photo resizer and optimizer to optimize photos by 80% ~ 20%.
Squash 2 for Mac - The easiest way to compress and optimize images for the web
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Image Resizer for Windows - Lets you resize images by right-clicking.
FastStone Photo Resizer - Convert and Rename images in batch mode Support JPEG, BMP, GIF, PNG, TIFF and JPEG2000
Resizing.app - Image resizing has never been so simple with free online resizing.app. Convert, optimize, resize images with ease and for absolutely free.