From Citadel Development:
ImageConverter allows you to convert an image to different popular image format such as BMP, GIF, JPG, TIFF in a few steps. Option to set a file type filter for images to show. Convert an image to popular formats such as BMP, GIF, JPG, PNG and TIFF. Control the quality level of the output JPEG image. Resize, rotate, or change the dimension of output image. Convert a large number of images at a time with an XML file (batch job). Rename output file name by specify the file prefix and starting number.