Thanks! Looks like that feature was added in Animate CC, which I don't use, so I haven't tried it. Looking at the docs, it looks like something I would have a

Thanks! Looks like that feature was added in Animate CC, which I don't use, so I haven't tried it. Looking at the docs, it looks like something I would have at least tried. Might have saved me writing the rasterizer, though I'd still have wanted to atlas everything together into bigger atlases, and make binary animation files. One downside vs the .fla parsing approach I went with is that even if you can script away the GUI clicking, you'd still have to have Flash open while the build script runs. I quite like having an exporter that is just a CLI program you can run without Flash, though it's not a massive deal. I'd be interested to see what exactly Animate puts into the animation.json file it generates. The docs don't seem to mention it, and I couldn't find any example ones online. Your tool looks great, by the way — have you made any games with it?