FREE PRO — $4.99 ONE-TIME 100% OFFLINE

Read any Japanese.
日本語にほんご at your level.

Furigana on every website, an offline dictionary on click, and a Pro mode that adapts to your JLPT level.

🧩 Add to Chrome — Free See Pro ↓

What it does

Everything below is free, forever.

FURIGANA

Furigana on any site

Open any page — news, blogs, novels — and readings appear above the kanji instantly.

日本語能力のうりょく試験しけんに合格ごうかくした
DICTIONARY

Click any word to define it

Reading, part of speech, and meaning pop up right where you clicked. No tab switching.

合格 — ごうかく【noun】passing (an exam) ✅
한국어 NEW

Meanings in Korean

이제 단어 뜻을 한국어로! Pick Korean in the popup and every definition shows up in Korean — still 100% offline.

猫 — ねこ【명사】고양이 🇰🇷
OFFLINE

100% offline & private

The tokenizer and dictionary are bundled inside the extension. No servers, no tracking, no account.

📡 ✕ Zero network requests
CONTROL

Your page, your rules

Turn it off per site, and adjust the ruby size and color to match how you read.

Aa 🎨 Per-site on/off

PRO — it adapts to you

One optional upgrade. The free version stays fully functional forever.

級

Adaptive furigana

Set your JLPT level (N5–N1). Readings appear only on kanji you don't know yet — the kanji you already know stay clean.

辞

Full dictionary

Every sense of a word, each tagged with its part of speech.

文

Example sentences

Real Japanese sentences with English translations.

声

Read-aloud

Hear any word pronounced with browser text-to-speech.

$4.99 — one-time Not a subscription. Secure payment via ExtensionPay & Stripe — we never see your card details.

日本語

Adaptive Furigana は日本語学習者向けの Chrome 拡張機能です。無料版はどんなページの漢字にもふりがなを付け、単語をクリックすると読み・品詞・意味も表示します（意味は英語/韓国語から選択可・完全オフライン動作・データ収集ゼロ）。 Pro（買い切り $4.99・サブスクではありません）にアップグレードすると、あなたの JLPT レベルより難しい漢字だけにふりがなを絞り込む適応モードに加え、全語義・英訳付き例文・読み上げが使えます。支払いは ExtensionPay と Stripe を通じて安全に処理され、当方がカード情報を見ることはありません。