Iconify

Iconify gives you the options to create icons for your iPhone, iPad and MAC OSX applications. 
Use Iconify to convert your image into a splash screen for your iOS application with the required szes. 
Resize your image into any custom size you want with Iconify. 
Iconify can add rounded corners to your image, with any radius you want. 
Creating the icon is as simple as drag and drop, selecting the icons you want to create and pressing generate.