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Free downloadable study materials for JLPT N5 and N4 levels covering grammar, vocabulary, kanji, hiragana and katakana, organized by lesson with interactive PDFs and an accompanying mobile app for learning basic.
GrammarVocabularyKanji and kanaJLPT N5JLPT N4HiraganaKatakanaParticlesFreeJLPTAdjectivesJLPT N3Tutors and teachersTranslation