Stable signalNo paid features detectedMedium-risk permissions
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

Review user movement across collected snapshots.

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

View collected rating snapshots from the latest 7-day window to assess rating stability.

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

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthFlat
00%
7-day growthFlat
00%
30-day growthFlat
00%
Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

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

Inspect the latest comments and rating distribution.

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
Lucas Santos Ribeiro2012年10月1日
5

Pretty good! It helps me a lot to remember some kanjis...

Language en
3 helpful · 0 not helpful
Rex McTavish2012年9月29日
5

Very handy translator at the tip of your fingers. Would be even more useful if it has the "Save" function Rikaichan has; it is incredibly useful for making a .txt file of words to study, which can then be imported to Anki as easy-to-use flashcards.

Language en
Elisa Gazzola2012年9月20日
2

Non funziona su facebook,mentre rikaichan originale si

Language it
1 helpful · 2 not helpful
Aya2012年9月15日
4

I really love using this and have used rikaichan on Firefox for ages now. Recently I switched to chrome and of course I got rikaikun! It's great and all, but one thing I miss is being able to right click a page to activate it. I guess I'll just have to get used to clicking it at the top of the page..

Language en
Styrax Benzoin2012年9月14日
5

Excellent tool. It's so handy!

Language en
Anonymous user2012年9月12日
5

One of the greatest and most useful extension of chrome store, especially for people who are learning Japanese!

Language en
1 helpful · 2 not helpful
Nathan2012年9月11日
4

Works well and a very welcome port, but it could really use the "names" dictionary available for the original Rikaichan. Also keyboard shortcuts would be nice, otherwise a great port and still the best browser-based dictionary tool I know of.

Language en
0 helpful · 1 not helpful
Caleb Fowler2012年9月7日
5

So useful!

Language en
Miquel Ràmia2012年9月6日
5

Works perfectly! ...except with TweetDeck webapp :(

Language en
Ry Ry2012年9月3日
5

Couldn't get through Japanese class (or read emails from professors) without it.

Language en