Free Tools

Free tools for language learners

No signup. No paywall. Quick references and search tools for Japanese and Chinese learners.

JLPT Vocabulary List

Full searchable JLPT N5–N1 vocabulary with readings and meanings. Filter by level, search by kanji, kana or English.

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HSK Vocabulary List

Complete HSK 1–9 Chinese vocabulary list with pinyin and English. Search and filter the official HSK words for every level.

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Hiragana Chart

Free printable hiragana chart with romaji for every character. Click any kana to hear it (coming soon).

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Katakana Chart

Complete katakana chart with romaji pronunciation. Learn the second Japanese script used for foreign words.

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Chinese to Pinyin Converter

Paste any Chinese text and get instant pinyin with tone marks, numbers, or none. Works for Simplified and Traditional.

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Japanese ↔ Romaji Converter

Convert Japanese to romaji, or romaji to hiragana and katakana. Free instant Japanese converter.

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JLPT Level Estimator Quiz

Quick 15-question quiz to estimate your JLPT level (N5 to N1) with personalized study recommendations.

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Furigana Generator

Paste Japanese text and instantly add hiragana, katakana, or romaji readings above every kanji. Free and browser-based.

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CEFR Text Difficulty Checker

Paste any English text and instantly get its CEFR level (A1–C2) with a per-level vocabulary breakdown. Ideal for teachers.

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Text Level Checker (JLPT · HSK · CEFR)

Paste any Japanese, Chinese, or English text and get an instant JLPT, HSK, or CEFR level with a per-level vocabulary breakdown.

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YouTube Video Difficulty Checker

Paste any YouTube URL — get its JLPT, HSK, or CEFR level, plus the top vocabulary your class probably doesn't know. Free.

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Anki Deck Generator

Paste text or drop a subtitle file — get an Anki-ready flashcard deck. Works for Japanese, Chinese, English. Free, no signup.

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Want to actually use these words?

InputDojo turns real articles, YouTube videos and PDFs into interactive lessons — with instant word lookup, SRS flashcards and an AI grammar tutor.