Tumblr users always had a lot of flexibility in customizing their sites. By following the steps described in this video they now can make their blog multi-lingual at no cost and easily.
Not using Tumblr for your blog? No problem! Microsoft released earlier in 2014 a wordpress.org plugin for bloggers and website owners using this platform. Similarly to Tumblr, you can also easily add the Translator Widget on Blogger sites by following these instructions.