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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
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rikaikun Media preview

5 assets
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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

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
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Daniel2018年5月12日
4

As someone who struggles with kanji, this is perfect! Works well on most sites, and the results are easy to read, although getting used to what all the information displayed means takes some getting used to.

Language en
1 helpful · 0 not helpful
Leonardo Nakahara2018年5月7日
5

If you know how to read Hiragana, this is the extension for you. When hovering the mouse pointer above any Kanji, it will search and a popup will appear with the meaning. Very helpfull!

Language en
Jonathan2018年4月18日
5

Very useful when I'm reading long articles in Japanese rather than having to open up a Japanese dictionary. It even tells you what kind of conjugation the word is using and its other possibilities.

Language en
3 helpful · 0 not helpful
Gerritt Lighthart2018年4月17日
4

Copy/Paste is a problem! I don't have any real complaints about this extension, but I was wondering whether there had been an update recently that changed how copy-paste works with the extension. I feel like in the last month or two, hitting Cmd+C copies the dictionary entry for selected text. I know C is supposed to be the hotkey for copying to clipboard, but I'm getting really sick of selecting something, having the definition pop up, hitting Cmd+C and having the whole dictionary entry pasting instead of the word I selected. I've been using this extension for years without this problem, so what's up?

Language en
10 helpful · 0 not helpful
Richárd Buús2018年4月15日
5

very helpful, thank you

Language en
A Choi2018年4月8日
5

すごいこのアプリ!本当に易しい読めます。A+

Language ja
1 helpful · 3 not helpful
Tyler Neuwirth2018年3月13日
5

Learning Japanese, and only thing I don't have in Japanese is a large vocabulary, this is such a truly useful extension which already is helping me a lot as I learned more Japanese words today than I have in a week.

Language en
10 helpful · 1 not helpful
Antoine Bardon2018年3月10日
4

works well but doesn't work on pdf files opened with chrome

Language en
1 helpful · 0 not helpful
J K2018年3月2日
5

someone please update it it's open source

Language en
0 helpful · 1 not helpful
Hero Mao2018年2月28日
5

thank you for make Rikaikun. i love it

Language en