ReaConverter Pro software; it is great batch image converter
. And it supports multiple formats as I can see. Main features: Convert images to JPG, GIF, BMP, PBM, PGM, PNG, PPM, TGA, TIF image formats from any (BMP, DCR, EMF, GIF, ICO, JPEG, PBM, PCX, PGM, PNG, PPM, TIFF, TGA, WMF, FPX, EPS...).And we can resize, crop, rotate and mirror images, change color resolution. Change image's brightness, contrast, and gamma also.