Esperaboard is a free Chrome add-on developed by Splashpad that allows users to easily convert the x-system Esperanto into accented characters as they type. This add-on is particularly useful for those who don't have a keyboard that supports accented characters like 'ĝ'.

With Esperaboard, users can seamlessly type in the x-system Esperanto, such as 'gx', and have it automatically converted into the corresponding accented characters, like 'ĝ'. This functionality works not only on Duolingo, but also on many other websites.

Enabling or disabling Esperaboard is as simple as clicking on its icon, and users can access additional settings by right-clicking.

Overall, Esperaboard is a valuable tool for Esperanto learners and enthusiasts, providing a convenient solution for typing in the x-system Esperanto and ensuring accurate representation of accented characters.