Metaflop is an easy to use web application for modulating your own fonts. metaflop uses metafont, which allows you to easily customize a font within the given parameters and generate a large range of font families with very little effort. There is no need to deal with any programming languages and coding by yourself, but can simply design your font by changing sliders or numeric values of the font parameter set. Finally you can downloaded as a webfont package for embedding on your webpage.
Go ahead and play around by designing new fonts at metaflop
Here is my font designed at metaflop