DesignHill Image Resizer - Use designhill's free online optimized image resizer
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
ResizePixel - Free image editor to crop, resize, flip, rotate and convert images online
Ralpha Image Resizer - High-speed image batch conversion tool
Crello - A simplified graphic design tool with 10,000 free templates.
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats