Metaflop is an easy to use web application for modulating your own fonts.

With the modulator it is possible to use metafont without dealing with the programming language by yourself, but simply by changing sliders or numeric values of the font parameter set. this enables you to focus on the visual output – adjusting the parameters of the typeface to your own taste. all the repetitive tasks are automated in the background. the unique results can be downloaded as a webfont package for embedding on your homepage or an opentype postscript font (otf) which can be used on any system in any application supporting otf.