Marksy is both an online service (<a href="http://marksy.arc90.com" rel="nofollow">http://marksy.arc90.com</a>) and a Chrome Extension (<a href="https://chrome.google.com/webstore/detail/marksy/glncdocnokppgopgpblpeohhhcjggbnl" rel="nofollow">https://chrome.google.com/webstore/detail/marksy/glncdocnokp...</a>) which lets you quickly convert between different markup languages.<p>The full writeup is here: <a href="http://lab.arc90.com/2013/02/20/marksy/" rel="nofollow">http://lab.arc90.com/2013/02/20/marksy/</a>