Free reference site with all 2211 JLPT kanji organized by level, hiragana and katakana charts, kanji and vocabulary quizzes, and guides to radicals, verbs, adjectives, grammar and counters.
Kanji and kanaJLPT and other testsApps and toolsKanji radicalsCountersJLPTKanaQuizzesHiraganaKatakanaFreeJLPT N5JLPT N1Adjectives