Google Gemini AI

Susume Nihongo

進め日本語

AIと一緒に日本語をマスターしよう

Your AI-powered companion for learning Japanese. Master natural phrases, improve fluency, and build real confidence. Learn Hiragana, Katakana, and JLPT kanji, explore grammar breakdowns, hear native pronunciation, and review with smart spaced-repetition flashcards, all in one app.

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Everything You Need to Learn Japanese

A complete toolkit with AI at its core. Practice, review, and retain vocabulary like never before.

AI Japanese Teacher

Type any phrase and get contextual translations, grammar breakdowns, and natural variations. All powered by Gemini AI.

Start a lesson →

Kanji Quiz

Master 186 JLPT N5 & N4 kanji with interactive quizzes. Track your streak, see meanings, readings, and example sentences.

Practice kanji →

Kana Quiz

Learn all Hiragana and Katakana characters through timed quizzes with progress tracking and visual review grids.

Learn kana →

Grammar Quiz

Master 209 JLPT N5 & N4 grammar points with interactive quizzes. Learn meanings, patterns, and example sentences.

Study grammar →

FSRS Flashcards

Review vocabulary with the same spaced-repetition algorithm used by Anki. Each card adapts to your memory for optimal retention.

Review cards →

Native Pronunciation

Hear authentic Japanese pronunciation generated by Gemini TTS. Build accurate listening skills from the start.

Available in AI Teacher

New to Japanese? Start Here

Learn the core building blocks: the writing system, sentence structure, particles, grammar basics, and verb conjugation. All in one clear guide.

Read Guide

Japanese Learning Roadmap

From N5 to N1: discover the modern hybrid-immersion strategy with study hour estimates, level-by-level breakdowns, and the tools you need at every stage.

Explore Roadmap

Start in 3 Simple Steps

No installation needed, everything runs in your browser.

1

Get a Free API Key

Create a free Google Gemini API key in under a minute. No credit card required.

2

Enter Your Key

Paste it into the settings panel of the AI Teacher. Your key stays stored locally. It's never sent to our servers.

3

Begin Learning

Type any phrase and receive a full Japanese lesson. Translation, grammar, pronunciation, and more.

Cloud Sync Pro

Sync Your Progress Across Every Device

Study on your laptop, review on your phone. With Cloud Sync Pro your flashcards, history, settings, and kanji progress are always up to date, no matter where you are.

  • Cloud sync — Flashcards, history, settings, kanji & grammar progress synced automatically
  • Anki export — Download your flashcards as Anki-ready CSV files
  • Support development — Help keep Susume Nihongo free and actively maintained
  • Future pro features — Early access to new subscriber-only tools as they ship

Monthly

$5.00

per month · cancel anytime

  • Cloud sync across all devices
  • Anki CSV export
  • Automatic backup & restore
  • Priority to new pro features as they ship
Get Started

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Ready to Advance Your Japanese?

今すぐ勉強始めよう Start studying right now. It's free, runs in your browser, and takes only a minute to set up.

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