learnjp.net/jlpt
JLPT exam preparation site offering practice tests, grammar exercises, vocabulary lists, and kanji study materials organized by JLPT levels N5 through N1.
JLPT and other testsGrammarVocabularyJLPTJLPT N5JLPT N4JLPT N3JLPT N2JLPT N1Quizzes