This software is recommended for casual users and beginners who need to perform simple image conversion and resizing tasks and are looking for a free option. It’s particularly useful for people who frequently work with batch processing, as it offers an easy way to handle multiple files at once.
GraphicConverter - Graphic Converter for Mac and Windows, can converts image formats BMP, JPG, GIF, ICO, PNG, TIF...
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Online Image Converter - Online Image Converter converts your BMP, JPG, PNG, GIF or ICO files quickly and easily.
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
Photopus Pro - Photopus Pro is an easy to use batch image processing to simplify the process to convert, add watermarks (text and image), resize, transform, touch-up, rename, and apply effects to your digital images.
Ralpha Image Resizer - High-speed image batch conversion tool