3545 bytes: https://i.imgur.com/dHIaRh1.png Used Gimp to convert to 4-bit paletted colormap, and processed through optipng.
The original PNG icon was very clearly suboptimal at 20 225 bytes...
The original PNG icon was very clearly suboptimal at 20 225 bytes...
You can also losslessly compress it down to 2 803 bytes: https://imgur.com/a/SunI7.
$ curl -OL https://i.imgur.com/dHIaRh1.png
$ identify dHIaRh1.png
dHIaRh1.png PNG 512x512 512x512+0+0 8-bit sRGB 3545B 0.000u 0:00.000