shinobi-japanese.com/blog/jlpt-n4-guide
Everything you need for JLPT N4: what the test covers, how many kanji and words to learn, the exam format and scoring, how it differs from N5, a study plan, and the fastest way to prepare.
JLPT and other testsGrammarVocabularyJLPT N4Te-formStudy methodsListening practiceJLPTJLPT N5Casual speechConditionals