npm

png2ico

Convert PNG images to Windows ICO icon format

brewmacoslinux
Try with needOr install directly
Source

About

PNG to icon converter

Commands

png2ico

Examples

convert single PNG image to ico file$ png2ico output.ico input.png
create icon with multiple resolutions from PNG$ png2ico icon.ico image_16.png image_32.png image_64.png
make favicon for website from PNG$ png2ico favicon.ico logo.png
batch convert PNG files to icons$ for file in *.png; do png2ico "${file%.png}.ico" "$file"; done
convert PNG to ico with specific output location$ png2ico ./icons/app.ico ./images/app.png