pixelFactory is pixel font editor to create programmaticaly visualized fonts. As an example, the output from the editor in A is given below.
Created sources for use in pixelator plugin, but it can be usable any other need cases.
{
"key":"A",
"pixels":[1,1,1,1,1,1,0,0,0,1,1,1,1,1,1,1,0,0,0,1,1,0,0,0,1],
"order":0,
"filled":16
}
You can reach the editor from: https://mkg0.github.io/pixelFactory