Smart Converter - A multipurpose program for viewing, converting, and editing images, with a rich tool set, and various effects and filters. Batch mode offers several operations at one pass, such as resizing, converting format, renaming, and adding captions.
Smart Converter CL - Smart Converter CL is a heavy-duty command line batch image converter that supports 88 image formats and works with Formula 1 speed. Conversion and batch processing (resizing, cropping, etc.) are done through command line only (no GUI)!