This script is no longer maintained, since Duolingo now supports this feature out of the box, making this script obsolete.

This userscript for Duolingo simplifies switching your UI language. A picture is worth a thousand words:

There is a discussion thread dedicated to this script at Duolingo forums.

1. If haven't already, install the appropriate extension for your browser (restarting your browser afterwards if necessary):

• Chrome: Tampermonkey
• Chromium: Tampermonkey
• Firefox: Greasemonkey
• Safari: JavaScript Blocker

2. Click here to install the userscript.
3. Confirm the installation when prompted.

• Use Duolingo as you normally would.
• Language menu shows all languages used since installation of this script.
• Effectively, you need to switch the old way once for any base language you use.

1. Follow the uninstall steps for the browser/extension you're using:

• Chrome: Tampermonkey
• Chromium: Tampermonkey
• Firefox: Greasemonkey
• Safari: JavaScript Blocker