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rikaikun icon

rikaikun

rikaikun shows the reading and English definition of Japanese words when you hover over Japanese text in the browser.

Users200KCurrent public install base
Rating4.7Store average score
Reviews1,865Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview

rikaikun Media preview

5 assets
Trend

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User Growth Over Time

200K200K200K200K200K2026年7月16日2026年7月19日2026年7月22日Latest: 200K
Rating trend

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7-day rating change

Start
4.66
Latest
4.66
7-day rating change
0.00
4.564.614.664.714.762026年7月16日2026年7月19日2026年7月22日Latest: 4.66
2026年7月16日2026年7月22日
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Technical snapshot

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Version3.2.26
ManifestV3
Size28.11MiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

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As a Japanese dictionary, rikaikun helps you look up the only the words you don't know without losing your place. It's also useful for Japanese speakers wanting to know how to say Japanese phrases in English.

Features:

* Using shift or enter, switch between word, names, and Kanji dictionaries.

* Enable text to speech in the options to hear Japanese words you look up spoken out load.

* Press 'c' to copy the current word and definitions to the clipboard for making flash cards.

* Customize how the pop up dictionary looks and what content it shows.

Reviews

Recent review snapshot

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Store average score4.7Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.4Average computed only from synced review bodies below
Reviews with text566Synced review bodies
Total ratings / reviews1,865Chrome Web Store public rating/review count

Store average score: 4.7. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5
387
4
90
3
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25
Victor Gladkiy2016年8月18日
5

Why haven't I installed it earlier? It would have saved me so much time.

Language en
1 helpful · 0 not helpful
Jodi Kate Crowley2016年8月8日
2

I am on Chrome (oviously xD) and i will turn it on and go to the Japanese website thatsfull of kanji (cause I cant read kanji....) and it dosent work so then i try it on Clip Studio Paint because i wa investing on the trial but could read it (due yet again to kanji) and tried it there. I heard a lot of positive stuff about it but when I cant use it because something dosent work then I can only rate it negitively. It should be fixed somehow because when it is I will be usings it 24/7 basiclly xD

Language en
1 helpful · 1 not helpful
Alan Scott2016年8月8日
4

Great tool but if you are not careful will ultimately cripple your ability to read. I like the option to change what pops up. I wish this had an additional flashcard option where you could save certain words for a flashcard system like Anki or something.

Language en
1 helpful · 0 not helpful
Yair Lopez Poveda2016年8月5日
5

Indispensable.

Language en
2 helpful · 0 not helpful
Duong Yen2016年7月30日
5

It's extremely amazing, it has great word detection. I love it. However i hope this extension can work offline.

Language en
S Kono 「幸」2016年7月29日
5

A MUST HAVE for 日本語 (JP) studying. I teach a lot of JP online and this is one of the first things I have my students grab, for every level.

Language en
12 helpful · 1 not helpful
Brian Pennington2016年7月28日
4

Great for looking up words and phrases that you don't know. The only reason I put 4 stars is because if you are reading the news (for example) and your mouse is in the middle of the page you are going to be picking up readings of words that you don't want (aka the pop-up box will get in the way). So you need to learn how to precariously position the mouse to get through long articles

Language en
1 helpful · 1 not helpful
Rafael Damaceno2016年7月27日
5

Ajuda muito a entender os kanjis :D

Language pt
6 helpful · 1 not helpful
Hellen tamara2016年7月25日
5

ótimo para estudantes que começaram agora e aqueles com mais experiência.

Language pt
5 helpful · 0 not helpful
Thanyapat Sakunkonchak2016年7月21日
5

Best extension to translate Japanese page.

Language en