ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
CDisplay Ex - CDisplay Ex is the most used comic book reader.
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
YACReader - Download YACReader for your platform. Windows, Linux, MacOSX. And enjoy you comic books cbr cbz with the best comic reader.
Ralpha Image Resizer - High-speed image batch conversion tool
Tachiyomi - A free and open source manga reader for Android.