# Rikaitan

> Powerful and versatile pop-up dictionary for language learning. Used by 100,000+ AJATTers and language learners.

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

## Overview

- **ID:** `rikaitan`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Ren Tatsumoto
- **Daily users:** 936
- **Weekly downloads:** 19
- **Rating:** 3.40 / 5 (5 ratings)
- **Version:** 25.9.16.0
- **Last updated:** 2025-09-30
- **First published:** 2023-03-11
- **Size:** 15 MB
- **Data as of:** 2025-10-19
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/rikaitan/)
- **Website:** [https://tatsumoto.neocities.org/](https://tatsumoto.neocities.org/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/rikaitan/privacy/](https://addons.mozilla.org/firefox/addon/rikaitan/privacy/)

## Description

Rikaitan is a powerful Chrome extension designed to enhance your Japanese language learning experience. Similar to tools like 10ten Japanese Reader and Rikaikun, Rikaitan offers more than just dictionary lookups — it functions as a comprehensive study aid. With seamless integration of Anki and support for creating flashcards, Rikaitan helps you efficiently memorize and practice vocabulary directly from your browser.

Installing Rikaitan transforms your browser into an interactive platform to better understand and cultivate your Japanese proficiency. To make the most of its features, users are encouraged to read the detailed [manual](https://tatsumoto.neocities.org/blog/setting-up-yomichan). Whether you are a beginner or advanced learner, Rikaitan provides the tools necessary to navigate challenging Japanese texts and reinforce your learning through active recall methods.

## Permissions and access

### Permissions

- `storage`
- `clipboardWrite`
- `unlimitedStorage`
- `declarativeNetRequest`
- `scripting`
- `contextMenus`

### Host permissions

- `<all_urls>`

### Content script matches

- `*`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High 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 is not longer available in the store

> 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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- [rikaihan](https://chrome-stats.com/d/rikaihan) — 180 users, 2.83 / 5
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Source: [Chrome-Stats](https://chrome-stats.com/d/rikaitan)