進

Google Gemini

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 — with Hiragana, Katakana, JLPT Kanji, grammar, pronunciation, and smart spaced-repetition flashcards. All in one app. Free, no ads, no tracking.

Start Learning Explore Features

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All tools in one place

Everything You Need to Learn Japanese

A complete toolkit with AI at its core. Practice, review, and retain vocabulary like never before. All materials are completely free and login is not required.

師

AI Japanese Teacher

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

Start a lesson →

本

Study Book

A structured guide from writing systems to verb conjugation. Work through chapters at your own pace with progress tracking and an AI assistant.

Read book →

記

FSRS Flashcards

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

Review cards →

語

Vocabulary Quiz

Learn over 1,200 JLPT N5 & N4 vocabulary words. Quiz yourself on meanings, review readings, types, and example sentences.

Study vocabulary →

字

Kanji Quiz

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

Practice kanji →

あ

Kana Quiz

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

Learn kana →

文

Grammar Quiz

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

Study grammar →

音

Native Pronunciation

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

Listen →

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Pro

Sync & Anki Export

Sync your progress across every device and export your flashcards as Anki-compatible CSV files.

Subscriber feature

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New to Japanese? Start Here

Writing systems, grammar basics, particles, and verb conjugation in one clear guide.

道

Japanese Learning Roadmap

From N5 to N1: hybrid-immersion strategy with level-by-level breakdowns and hour estimates.

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Japan Tips & Culture Guide

Shopping, vacations, part-time work, first dates, dining, and the everyday rules that make Japan feel easier.

Quick setup

Start in 3 Simple Steps

No installation needed. Everything runs in your browser.

Get a Free API Key

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

Enter Your Key

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

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, kanji and book progress are always up to date, no matter where you are.

Cloud sync — Flashcards, history, settings, kanji, grammar & vocabulary progress synced automatically
Anki export — Download your flashcards as Anki-ready CSV files
Support development — Help keep Susume Nihongo free and actively maintained