Abonsoft True Color Icon Converter can convert any images to true color icons of any size from 16x16 to 256x256. It can also extract icon from any file or from any folder, then convert to a new icon. Just drag a image file in, then you
can convert it to an icon easily! It can convert icon to images too.

Key features include:
Convert an icon file to images
Convert any common pictures to true color icons
Can assign image for each size of the final icon
Size can be 16x16, 32x32, 64x64, 128x128, 256x256, or any combine of them
Can extract icon from any file to save to a new icon
Can extract icon from any folder to save to a new icon
Support dragging, just drag a picture file in, then convert it
What you see is what you get, icons in any sizes can be previewed