During installation, it will ask you to install some adware but you cannot deny it.
Any image you like and if you want to have it as icon, this tool is the one you need. Image 2 Icon Converter is an easy-to-use program, which allows to hide the icon image to BMP or JPG.
It is very simple to use, you only have to choose what image you want to convert and press the button to convert. If you want to convert multiple images at once, you can do it. Just select the group and a batch image conversion.
The results are good enough, and the program is completely free.