# Kanken Extension

> Retrieve kanjis' Kanken information by hovering over them with Ctrl+click combination

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

## Overview

- **ID:** `kanken-extension`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** LI
- **Category:** language-support
- **Version:** 1.0.1
- **Last updated:** 2020-02-26
- **First published:** 2019-11-22
- **Size:** 31 KB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/kanken-extension/)

## Description

Kanken Extension is a Firefox add-on that enables users to easily retrieve kanken information by hovering over kanjis with a key+click combination. It provides the kanken level of the hovered kanji in a tooltip and allows opening the kanji info page from kanji.jitenon.jp in a new tab.

## Rankings

- #142,769 — Overall

## Permissions and access

### Permissions

- `tabs`
- `storage`

### Content script matches

- `*`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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).

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