While a useful utility for quickly discerning some macro-level differences between fonts there is a catch. For bitmap fonts (e.g. Cozette) the rendering will be

While a useful utility for quickly discerning some macro-level differences between fonts there is a catch. For bitmap fonts (e.g. Cozette) the rendering will be comparatively terrible once vectorised into ttf, otf, woff for the web -- since the point of bitmap fonts is to be pixel-sharp.