npm

hqx

Magnification filter for pixel art that preserves sharp edges

brewmacoslinux
Try with needOr install directly
Source

About

Magnification filter designed for pixel art

Commands

hqx

Examples

Upscale a pixel art image by 2x using HQ2X filter$ hqx -2 input.png output.png
Upscale a pixel art image by 3x using HQ3X filter$ hqx -3 input.png output.png
Upscale a pixel art image by 4x using HQ4X filter$ hqx -4 input.png output.png