Skill up your Japanese through online


English-Japanese Vocabulary Quizzes

https://iteslj.org/v/j/

Here you can try hundreds of free online quizzes, exercises and puzzles to help your study of languages. This site is actually prepared by Internet TESL Journal for English learners (EFL) however, somehow you can exercise a lot of Japanese. 

The Japanse portal Nihongo eな introduces this web site as in https://nihongo-e-na.com/eng/site/id14.html, if you'd like some instruction.