The main reason to study for the JLPT N4 exam is that the knowledge you acquire when studying for JLPT N4 is the gateway to becoming conversationally fluent in Japanese. By this, we mean that by mastering the matters of JLPT N4, you gain the theoretical knowledge to participate naturally in day-to-day conversations because JLPT N4 includes all the basic grammar points, vocabulary, and kanji to allow you to express yourself smoothly.

You will also learn plain Japanese and humble Japanese (keigo, 敬語), which further allows you to be more flexible in conversations in several situations, as you know how to interact more naturally with both Japanese friends and locals on the street. JLPT N4 may not be enough to get you a job or get you into a college in Japan. But it can be pretty tricky to know what order to learn things, and following the JLPT trail is helpful because it always tells you what your next objective is. If you properly understand the fundamentals of Japanese, such as verb conjugation, it will significantly improve your progress when you are studying for JLPT N4. The JLPT N4 is no joke.