Google Font Previewer Chrome Extension
A browser extension that finds all the fonts on a page
Source code for Chrome/Edge/Firefox/Opera extension Magic CSS (Live editor for CSS, Less & Sass)
在线字体编辑器
Official OpenDyslexic browser extension
A chrome extension to add advanced CSS styles to github
Flash cards chrome extensions
Google Chrome extension that increases readability for people with dyslexia
Webfont loading. Simple, small, and efficient.
An open-source GUI for text layout on the web.
Stop your fonts from being fingerprinted. Protect your privacy by only using white-listed fonts.
Font Preview in Terminal (Javascript)
Preview Google Fonts
Typographic control over Typekit font previews.
Brackets extension to lookup on MDN.