# Furiganaize

> Auto insert furigana (振り仮名) on Japanese kanji.

Canonical page: [https://chrome-stats.com/d/furiganaize](https://chrome-stats.com/d/furiganaize)

## Overview

- **ID:** `furiganaize`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** ono ono
- **Category:** language-support,other
- **Daily users:** 3,424
- **Weekly downloads:** 27
- **Rating:** 4.81 / 5 (42 ratings)
- **Version:** 0.7.2
- **Last updated:** 2022-11-18
- **First published:** 2018-10-14
- **Size:** 8.23 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/furiganaize/)
- **Website:** [https://github.com/kuanyui/Furiganaize](https://github.com/kuanyui/Furiganaize)

## Description

### Furiganaize - Automatic Furigana for Japanese Kanji

Furiganaize is a powerful Chrome extension designed to automatically add furigana (振り仮名) to Japanese kanji characters on any webpage. Perfect for learners and readers of Japanese, this tool enhances readability by displaying pronunciation hints directly above the kanji. It supports dynamic pages like Twitter and features a toggle shortcut (Ctrl+Shift+F) for quick access.

This extension is forked from FuriganaInjectorPlusPlus and improved with WebExtension compatibility including Firefox for Android support, a floating button for mobile use, dark/light theme support, and significant performance optimizations using WebWorker. While the furigana provided is for convenience and may not always be perfect due to natural language processing challenges, it serves as a helpful reference for users.

Furiganaize offers a sleek user experience with customizable options, real-time annotation, and ongoing bug fixes to ensure smooth operation across various websites. Explore Japanese texts with ease and confidence, knowing the furigana is just a click away!

## Rankings

- #1,517 — Overall
- #65 — Language Support
- #231 — Other extensions
- #37 — insert
- #75 — ux
- #92 — size

## Permissions and access

### Permissions

- `http://*/*`
- `https://*/*`
- `file://*/*`
- `<all_urls>`
- `activeTab`
- `tabs`
- `storage`

### Content script matches

- `*`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

Users consistently praise Furiganaize for being simple to use and highly beneficial for learners, delivering furigana readings including for place names. The majority of reviews are positive with few common downsides; some users reported isolated issues like settings not persisting across sites and requests for context-menu access or occasional site-compatibility quirks, but these are not widely echoed. Overall, a lightweight, effective tool for reading Japanese that meets its promise.

### Pros

- Easy to use and straight to the point with minimal setup.
- Indispensable for Japanese learners.
- Provides furigana readings for words and place names, improving reading comprehension.

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Source: [Chrome-Stats](https://chrome-stats.com/d/furiganaize)