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.
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
MIX by Camera360 - MIX by Camera360 app comes up with more than 130 high-quality filters like professional, LOMO, instant film, monochrome, and others to edit images professionally.
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
EyeEm - Open your eyes! Discover places & things you love, with every photo you take.
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
InstaSize - InstaSize Video is a free easiest and quickest application that helps you to post entire videos on Instagram without cropping.