1)   Right JPG Converter 1.3
Very popular JPG image converter that combines basic image editing (resize, crop, rotate, watermark) with batch image conversion to JPG. It also features shell integration and you can convert files right from Windows. Command line supported.

 2)   ReaJPEG - Image converter to JPEG 2
ReaJPEG is our popular image converter, allowing you to both convert and edit images from most commonly used graphic formats to JPEG. You can convert you images to JPEG either one by one or all at once as a batch job.