jlptsensei.com/jlpt-info/
Archive of JLPT preparation materials including study guides, grammar lists, kanji lists, vocabulary lists, and practice tests for all five JLPT levels from N5 to N1, along with test information and pass rate statistics.
JLPT and other testsGrammarKanji and kanaJLPTJLPT N5JLPT N4JLPT N3JLPT N2JLPT N1Quizzes