We're still in Beta, but since somebody posted it to ProductHunt I figured it's a good idea to gather some initial feedback.
Here's a link to what ProductHunt would look like with some styles changed: http://fontfit.com/fonter/load/28267001-bbda-4611-b839-b80ac7aa0747
The idea is that you can select an element and just hit down arrow to go through a bunch of fonts to see how it would look like. I find it a good tool for showing clients what their website could look like.
We're still adding a bunch of features and fixing UX issues. If anybody has suggestions we'd love your insight!