Nihongo Diary ・ 日本語日記アプリ
Write your day in Japanese.
Get better every entry.
Keep a daily journal in Japanese, get instant AI corrections, learn from the community, and review what matters — all in one friendly app.
A simple daily loop: write, get corrected, and review.
Everything you need to keep going
Write & get AI corrections
Write your diary in Japanese and get instant, natural corrections — with a Natural version, grammar tips, and vocabulary pulled from your own words.
Learn from the community
Real people correct your entries HelloTalk-style. Each corrector shows their JLPT level (N5–N1), so you know how to weigh their advice.
Review what matters
Vocabulary from your entries becomes flashcards with spaced repetition, so the words you actually use stick for good.
Start your Japanese diary today
Free to start. Write your first entry in minutes.