Right Click Image Converter
Convert between image formats from the Windows shell. Supports file formats including JPEG, BMP, PNG, WBMP, ICON and TGA. Supports advanced options. You can use the utility to compress large files, create icons, convert images to Wireless BMPs and batch convert files. You can use the program through the command line.
The license of this software is Free Trial Software, the price is $14.95, you can free download and get a free trial.