From Cyan Soft:
With IQmango Audio Converter you are able to convert .wma, .mp3, .wav, .aac, .ogg, .flac, .ac3, .amr, .m2a files and many many other popular audio formats very fast. The converting speed is simply fantastic. Convert several tracks in batch by just dragging and dropping the complete folder that contains all your favorite music. IQmango Audio Converter has a brilliant set of built-in conversion profiles that 100% suit your needs. To choose the preferred output format simply click "Output format" at the top and select the most appropriate conversion profile depending on the kind of portable device you own. In such way you don't need to worry that the chosen format won't be compatible with your particular device, because IQmango Audio Converter already shows you all format options available for your device. Achieve maximum quality of the output with IQmango Audio Converter by dragging the "quality" cursor to 100%. You can also freely select the output folder where your converted files will be stored. IQmango Audio Converter supports all formats that are compatible with such portable devices as iPhone, iPad, Creative Zen, iPod, Cowon, SanDisk Sansa, iRiver, Sony Walkman, Zune, PSP, PlayStation 3, Archos, Palm, Wii, Blackberry, smart phones, Xbox 360, any mobile phones.