Comment by nthtran

Firesize uses ImageMagick, which in my experience consumes more memory and is slower than libvips [1] for simple image resizing/optimization.

I built a simple image-resizing server with a query string API using libvips [2]. This is based on sharp [3], a good wrapper of libvips for Node.js.

[1] https://github.com/jcupitt/libvips

[2] https://github.com/nthtran/imgop

[3] https://github.com/lovell/sharp