Nihongomachi (日本語町, "Japanese-language town") is a free, open study tool built to help learners pass the JLPT N5 — the entry-level Japanese Language Proficiency Test. Everything runs in your browser with no ads, no subscriptions, and no data leaving your device.
The Japan Foundation administers the Japanese Language Proficiency Test (JLPT) twice a year in July and December. N5 is the entry level — it tests whether you can understand basic Japanese in everyday situations.