icoutils

Create and extract MS Windows icons and cursors from images.

brewmacoslinux

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Create and extract MS Windows icons and cursors

icotoolwrestool

convert png image to windows ico file$ icotool -c -o output.ico input.png

extract all icons from exe or dll file$ wrestool -x --output=. file.exe

create icon from multiple resolution images$ icotool -c -o icon.ico icon16.png icon32.png icon64.png

list all icons in windows executable$ wrestool -l file.dll

extract specific icon and save as png$ icotool -x icon.ico --output=icon.png