Establish a typographic system
with modular scale & vertical rhythm.

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Fiddle with the font size, line height and scale factor sliders and watch the typography dance. You'll get it right away, we promise! The app loads faster than a demo video would, so just go ahead and try it.

What is vertical rhythm?
Read Compose to a vertical rhythm.

What is modular scale?
Read More Meaningful Typography.

Who made this?
Created by @tuomasj & @sakamies. We're @gridlover on Twitter and you can email us at

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