diff --git a/icon/make-icon.sh b/icon/make-icon.sh
new file mode 100755
index 0000000..591f587
--- /dev/null
+++ b/icon/make-icon.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+convert -geometry 16x16 icon-source.png icon-16.png
+convert -geometry 32x32 icon-source.png icon-32.png
+convert -geometry 48x48 icon-source.png icon-48.png
+icotool -c -o ./icon-all.ico icon-16.png icon-32.png icon-48.png