# Furigana

> A web extension, Auto insert furigana (phonetic characters) on Japanese kanji.

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

## Overview

- **ID:** `autofurigana`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** EYHN
- **Category:** appearance,language-support
- **Daily users:** 1,224
- **Weekly downloads:** 16
- **Rating:** 4.50 / 5 (28 ratings)
- **Version:** 1.0.2
- **Last updated:** 2019-04-09
- **First published:** 2019-04-09
- **Size:** 20 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/autofurigana/)
- **Website:** [https://github.com/EYHN/Furigana/issues](https://github.com/EYHN/Furigana/issues)

## Description

Furigana is a convenient Chrome extension that automatically inserts furigana (phonetic characters) above Japanese kanji characters to assist reading and comprehension. It seamlessly integrates into any Japanese webpage and also supports dynamically loaded content, ensuring furigana display even on changing pages. Additionally, users can access a context menu shortcut for quick toggling or insertion. This extension enhances the experience of learners and readers of Japanese by making kanji more accessible.

## Rankings

- #2,954 — Overall
- #117 — Language Support
- #20 — insert
- #156 — inject

## Permissions and access

### Permissions

- `<all_urls>`
- `storage`
- `contextMenus`

### Content script matches

- `*`

## Safety

- **Risk impact:** Moderate 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 praise the Furigana add-on for effectively aiding Japanese reading by adding furigana to kanji, benefiting learners and native speakers alike. However, multiple reviewers highlight significant issues such as inability to remove furigana after insertion, lack of toggle functionality, and performance problems including crashes and slowdowns on popular sites like Twitter. Additionally, compatibility issues exist with some websites (Amazon, Google Translate). Users request features like keyboard shortcuts to improve usability. Overall, it is a useful tool with room for improvements in stability and user control.

### Pros

- Effectively adds furigana to kanji, aiding Japanese reading practice, especially on Wikipedia and karaoke lyrics.
- Helpful for both native speakers and learners to understand difficult kanji.
- Generally reliable and appreciated for its functionality.
- Enhances reading experience on Japanese websites.

### Cons

- Cannot easily remove inserted furigana once applied; no toggle or shortcut provided.
- Causes performance issues such as browser slowdowns and crashes on certain sites like Twitter.
- Does not work properly on some websites, e.g., Amazon and Google Translate.
- Issues with automatic injection feature causing problems, leading some users to disable it.

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