# InputDojo

> Learn languages through massive input. Import real native content — articles, YouTube videos, podcasts, and books — and turn them into interactive study material with instant word lookup, contextual vocabulary, AI grammar explanations, and SRS review.

InputDojo supports 14 languages with dedicated study tracks for Japanese (JLPT N5–N1), Chinese (HSK 1–9), and English (CEFR A1–C2). Free to start; Pro and Ultimate tiers unlock SRS review and AI conversation/tutoring.

## Pages

- [Home](/): Overview of InputDojo and the input-based learning method.
- [Pricing](/pricing): Free, Pro, and Ultimate plans with a 14-day trial.
- [For Teachers](/for-teachers): Classroom tools, student progress, and curriculum management.
- [Install](/install): Install InputDojo as a PWA or mobile app.

## Language tracks

- [Learn Japanese](/learn/japanese): JLPT N5–N1 vocabulary, kanji, and grammar with AI explanations.
- [Learn Chinese](/learn/chinese): HSK 1–9 vocabulary, hanzi, and grammar.
- [Learn English](/learn/english): CEFR A1–C2 vocabulary for Japanese speakers.
- [Learn Spanish](/learn/spanish): Read native articles, videos, and books in Spanish.
- [Learn French](/learn/french): Read native articles, videos, and books in French.
- [Learn Korean](/learn/korean): K-drama subtitles, articles, and YouTube transcripts.
- [Learn German](/learn/german): Read native articles, videos, and books in German.
- [Learn Italian](/learn/italian): Read native articles, videos, and books in Italian.
- [Learn Portuguese](/learn/portuguese): Read native articles, videos, and books in Portuguese.
- [Learn Swedish](/learn/swedish): Read native articles, videos, and books in Swedish.
- [Learn Norwegian](/learn/norwegian): Read native articles, videos, and books in Norwegian.
- [Learn Danish](/learn/danish): Read native articles, videos, and books in Danish.
- [Learn Arabic](/learn/arabic): Read native articles, videos, and books in Arabic.
- [Learn Russian](/learn/russian): Read native articles, videos, and books in Russian.
## Free tools

- [Tools hub](/tools): All free language tools.
- [JLPT vocabulary list](/tools/jlpt-vocab-list): Searchable JLPT N5–N1 vocabulary with readings and meanings.
- [HSK vocabulary list](/tools/hsk-vocab-list): Full HSK 1–9 Chinese vocabulary list with pinyin and English.
- [Hiragana chart](/tools/hiragana-chart): Free printable hiragana chart with romaji.
- [Katakana chart](/tools/katakana-chart): Complete katakana chart with romaji pronunciation.
- [Chinese to Pinyin converter](/tools/pinyin-converter): Convert Chinese characters to pinyin with tone marks.
- [Japanese romaji converter](/tools/romaji-converter): Convert between Japanese and romaji (hiragana, katakana).
- [JLPT level estimator](/tools/jlpt-level-quiz): 15-question quiz to estimate your JLPT level.

## Blog

- [Blog hub](/blog): Articles on language learning, JLPT, HSK, immersion methods.
- [How to learn Japanese by yourself](/blog/how-to-learn-japanese-by-yourself)
- [Hiragana vs Katakana](/blog/hiragana-vs-katakana)
- [Best way to learn kanji](/blog/best-way-to-learn-kanji)
- [How many kanji do you need](/blog/how-many-kanji-do-you-need)
- [Chinese vs Japanese: which is harder](/blog/chinese-vs-japanese-which-is-harder)
- [HSK vs JLPT](/blog/hsk-vs-jlpt)
- [Comprehensible input for Japanese](/blog/comprehensible-input-japanese)
- [Japanese particles guide](/blog/japanese-particles-guide)

## Comparisons

- [LingQ vs Migaku](/compare/lingq-vs-migaku)
- [WaniKani vs Anki](/compare/wanikani-vs-anki)
- [Duolingo vs Busuu](/compare/duolingo-vs-busuu)
- [Anki vs Quizlet](/compare/anki-vs-quizlet)
- [Pleco vs HelloChinese](/compare/pleco-vs-hellochinese)
- [Bunpro vs WaniKani](/compare/bunpro-vs-wanikani)

## Alternatives

- [InputDojo vs LingQ](/alternatives/lingq)
- [InputDojo vs Migaku](/alternatives/migaku)
- [InputDojo vs Readlang](/alternatives/readlang)
- [InputDojo vs WaniKani](/alternatives/wanikani)
- [InputDojo vs Anki](/alternatives/anki)
- [InputDojo vs Bunpro](/alternatives/bunpro)
- [InputDojo vs Duolingo](/alternatives/duolingo)
- [InputDojo vs Pleco](/alternatives/pleco)

## Browser extension

- [Chrome extension](/extension): Look up words and save vocabulary on any webpage.