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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

User growth trend

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User Growth Over Time

200K200K200K200K200K2026年7月13日2026年7月16日2026年7月19日Latest: 200K
Rating trend

7-day 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13日2026年7月16日2026年7月19日Latest: 4.66
2026年7月13日2026年7月19日
Growth overview

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1-day growthFlat
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7-day growthFlat
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Technical snapshot

Version, languages, and crawl freshness

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

Product summary

Review the store description, core capabilities, and common use cases.

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★
40
2★
24
1★
25
Eric Chang2011年12月13日
5

The best extension for Japanese !

Language en
Viet-Nhien Tran Duc2011年11月29日
5

This is just perfect! All professional articles in Japanese make sense to elementary Japanese readers like me

Language en
Jessica St-Pierre2011年11月7日
5

I stuck with a buggy firefox for years because I didn't know there was a chrome version of rikaikun. This is what made me switch to chrome as my main broswer.

Language en
Julien Humbert2011年11月1日
5

A must have !

Language en
3 helpful · 0 not helpful
Matthew Meyer2011年9月16日
5

This extension is the most useful one I have ever found. Thanks for all your hard work! There are only two wishes I have: one is for the option to auto-load on start up. I use it so much that I wish I didn't have to always manually activate it. Two is for the overlay to appear on top of videos. Frequently youtube videos or other video overlays display above the rikaikun overlay, so I can't read rikaikun.

Language en
1 helpful · 0 not helpful
Takaki2010年4月12日
5

Simply fantastic. You are a god among men.

Language en
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