1)   Smart Converter CL 1.9.24
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)!
Batch, converter, image, graphic, resize, rotate, flip, mirror, swap, negative,

 2)   IvanView 2008
View, Browse, Edit and Convert Digital Images. It's capable of viewing more 60 image formats and has unsurpassed conversion capabilities in 15 of the most popular formats. You simply must see it!
image, viewer, browser, picture, print, edit, converter, BMP, DIB, RLE,