See https://imagemagick.org/script/command- ... hp#magnify
This still needs to be added to the -defines on the options page.double or triple the size of the image with pixel art scaling. Specify an alternative scaling method with -define magnify:method=method Choose from these methods: eagle2X, eagle3X, eagle3XB, epb2X, fish2X, hq2X, scale2X, scale3X, xbr2X. The default is scale2X.