This context is the moreso the browser, complete with it's own sub-pixels, aliasing, simulated/real blurring, zooming, etc. But file-format context, yes, PNG,

This context is the moreso the browser, complete with it's own sub-pixels, aliasing, simulated/real blurring, zooming, etc. But file-format context, yes, PNG, BMP, and TFF are the real lossless image kingpins.