A collection of free single-purpose online tools for web developers...
Brought to you by Stefan Judis
(Website, Twitter, GitHub)
and these lovely people:
Modify, improve, trim, change and export your fonts in modern formats
Matches the x-heights and widths of two fonts (webfont and fallback font)
View the content of a font file
Test web fonts directly on live sites
Search tagged Google Fonts
Self host your Google Fonts
Calculate your type scale visually
Inspect what your fonts can do
Look up keyboard short cuts for special characters