ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
4K Stogram - Free Instagram Downloader for macOS, PC and Linux. Search, download or backup Instagram photos shared by any user. Follow your favorite photographers and stay tuned!
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Vurku - Download Instagram posts by username or hashtag
Ralpha Image Resizer - High-speed image batch conversion tool
Save From Web - Instagram story, photo, and video downloader - Free, online, and one-click download.