[i80and]

For diagrams, PNGs just are not a good choice. We did this as a response to mainstreaming high dpi displays back when Retina hit the market.

It's been a big success. The resulting SVGs are significantly smaller in filesize than PNG, and are crisp and readable no matter how the user zooms in.

The path conversion is a single inkscape command line invocation. It's worth doing.

If it comes out of a vector application, you likely don't want to rasterize it for distribution.