25+ Cool Tumblr Themes – Want A Stylish Tumblog? by alexnaz | Last updated Jul 14, 2017 | Tumblr | 3 comments Tumblr is an easy to use and unconditionally free blogging platform. It is extremely popular. Today more than 100 million blogs are powered by Tumblr and a huge amount of cool Tumblr themes have been created to meet the growing demand. People want their blog to look nice, but they often do