NConvert is a batch software for converting graphics files. From the author of the popular XnView.NConvert Features: Import about 400 graphic file formats Export about 40 graphic file formats Multipage TIFF, Animated GIF, Animated ICO support Resize Adjust brightness, contrast... Modify number of colors Apply filters (blur, average, emboss, ...) Apply effects (lens, wave, ...) And many many other things...