Oumu is a Chrome extension developed by Good Praxis that aims to help users learn Japanese by replacing words on websites with vocabulary commonly found in books like the Genki series. This innovative tool allows learners to immerse themselves in Japanese language and culture while browsing the web.

With Oumu, users can enhance their language skills by seeing and interacting with Japanese words in context. By seamlessly replacing words on websites, Oumu provides a unique learning experience that integrates language learning into everyday online activities.

Although it is important to note that Oumu is still in its early stages of development, it shows great potential for Japanese language learners. As a free Chrome extension, it offers an accessible and convenient way to practice and reinforce vocabulary while browsing the internet.

Overall, Oumu is a promising tool for those looking to learn Japanese in an immersive and interactive way. With its focus on website vocabulary replacement, this Chrome extension has the potential to revolutionize the language learning experience.