Japanese Furigana Extension

by awei.chenwei@gmail.com · Education

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Adds furigana to Japanese kanji. Supports hiragana/katakana/romaji, JLPT filtering, hover mode. English & Chinese UI.

Users

163

+67 in 30 days

Rating

3.5 / 5

−0.50 in 30 days

Ratings

+1 in 30 days

Store rank

#69K

#58K among extensions

Version

1.0.1

updated 14 Jun 2026

Users

monthly, 4 months

Latest, 15 Oct 2026: 163 usersMove the mouse over the chart for any month

Ratings count

monthly, 4 months

Latest, 15 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Japanese Furigana Extension

Japanese Furigana Extension automatically adds phonetic readings (furigana) to Japanese kanji characters on any web page, making Japanese content accessible to learners at all levels. ✨ Key Features: • One-click toggle from the toolbar popup • Three furigana formats: Hiragana, Katakana, Romaji • JLPT level filtering – skip kanji you already know (N5–N1) • Smart hover mode – show readings only on mouse hover • Customizable font size and color with 6 presets and live preview • Automatic Japanese site detection (lang, domain, meta tags) • Site whitelist for manual control • Full English and Chinese UI 🔧 Technical: • Powered by Kuromoji.js for accurate morphological analysis • Uses standard <ruby> HTML tags – no page layout disruption • Works fully offline – no external API calls • Optimized concurrent batch processing for performance Perfect for Japanese learners reading NHK News, Wikipedia, blogs, and any Japanese website.