Style, convert units, search, identify, preview, etc. Lots of resources for working with type on the web:
Since typography is one of the most challenging and important aspects of web design, it’s important to have useful tools that can make things easier. Here’s a list of tools that will be a big help in making your typography beautiful, and you won’t even have to leave your browser.
Link:
http://webdesignledger.com/tools/14-best-online-typography-tools-for-web-designers


