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.
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
UserTesting.com - Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
Ralpha Image Resizer - High-speed image batch conversion tool
Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Userbrain - Easy, fast, and affordable user testing for websites and prototypes.