Hanja Education Promotion Association (https://www.hanja114.org) You can learn Chinese characters and words by grade level.

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- Search: Search for Chinese characters and words
- Number of copies: Search Chinese characters by number of copies
-Chinese characters: 5 bookmarks, memorized/unmemorized designation, related word search, Naver, and the following link provided
-Words: 5 bookmarks, memorized/unmemorized designation, related Chinese character search, Naver, and the following link provided
- Quiz Chinese characters: Provide Chinese characters and Korean quizzes
- Quiz words: Provided with Chinese characters and Korean quizzes
- Statistics: search for Chinese characters, words, memorization rate, correct rate