edX Dual Subtitle - Harvard and MIT courses is a Chrome add-on developed by robertkao5656. This free program falls under the category of Browsers and is specifically categorized as an Add-ons & Tools subcategory.

edX, founded by Harvard and MIT, offers a variety of free courses that do not require a verified certificate. With this add-on, users can download the course videos in mp4 format along with subtitles. It is important to note that the courses are free as long as you do not request a verified certificate.

One of the key features of this plugin is its support for double subtitles. Users can choose from three subtitle modes: off, single, and dual. Additionally, the add-on supports 12 languages for displaying dual subtitles, including Arabic, Chinese Traditional, Chinese Simplified, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Spanish, and Turkmen.

Please note that for any ideas, issues, or suggestions regarding this add-on, you can contact the developer at