* icon sushi can convert image files into icon files and vice versa.
* Support for Windows Vista large icons. (convert large image with PNG compression)
* Support for Windows XP 32bit Icons.
* Support for Multiple-Icon which contains some icons in a file.
* Edit Alpha channel and Transparency-Mask.
* Open 1×1 to 256×256 size of images.
* Open 1/4/8/24/32bits color images.
* Open: ICO/BMP/PNG/PSD/EXE/DLL/ICL, Convert into: ICO/BMP/PNG/ICL
* Copy to / Paste from Clipboard.