Japanese IO

Helps you read Japanese text

Japanese IO - Chrome Extension for Reading Japanese

Japanese IO is a Chrome extension designed to enhance the reading experience of Japanese web pages. It provides instant access to dictionary definitions, kanji readings, example sentences, and more. Users can keep track of their word lookups which are stored in their profile for later review and study on the Japanese IO website. A free Japanese IO account is required to use this extension, with optional paid upgrades for advanced features.
Install from Chrome Web Store

Extension stats

Users: 10,000+
Rating: 4.50
(64)
Version: 0.14.1 (Last updated: 2022-10-12)
Creation date: 2020-06-06
Risk impact: Very high risk impact
Risk likelihood:
Manifest version: 3
Permissions:
  • contextMenus
  • scripting
  • activeTab
  • background
  • tabs
  • storage
Host permissions:
  • *://*/*
  • http://localhost:5000/
  • https://*.japanese.io/
  • http://commons.wikimedia.org/
  • https://fonts.googleapis.com/
  • https://api.mixpanel.com/
  • https://www.google-analytics.com/
Size: 764.93K

Other platforms

Not available on Android
Not available on Firefox
Not available on Edge
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Extension summary

This Chrome extension works in concert with Japanese IO (https://www.japanese.io) and brings easy access to dictionary lookups, readings, kanji and example sentences to help you read Japanese web pages.

Notice that this extension requires a free Japanese IO account, which can be created from the extension after it has been installed. Paid feature upgrades are available.

Word lookups are stored in your profile and you can review and study this vocabulary on the Japanese IO website.

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Helps improve reading skills by providing immediate translations and hiragana for kanji.
  • User-friendly highlighting features for furigana on websites.
  • Ability to track and save words for future study.
  • Effective tool for learning Japanese, particularly for users who understand some context but struggle with pronunciation.
Cons
  • Requires creating an account to use the app, which frustrates some users.
  • Does not work well with editable text.
  • Runs in the background, leading to concerns about privacy and resource use.
  • Lack of audio playback for word pronunciation.
Most mentioned
  • Great tool for learning Japanese.
  • Functional and helpful but has room for improvement.
  • Issues with requiring an account and running in the background.
User reviews
I just tried installing this, but when I left-click on the icon, it just takes me to a new tab and tries to make me sign up for an account?? What kind of "extension" is this!! For _that_ reason, I AM OUT.
by Crystal Identity, 2025-01-03

by Gbeworld Lo, 2024-07-31

非常好 之前的扩展直接会表满全页上汉字的读音 而且复制查询的时候,经常会连读音一起翻译 至于收费问题嘛,自然有方法绕过去的
by Oroney, 2023-11-19
View all user reviews

Extension safety

Risk impact

Japanese IO requires a lot of sensitive permissions. Exercise caution before installing.

Risk likelihood

Japanese IO has earned a good reputation and can be trusted.

Upgrade to see risk analysis details

Promo images

Japanese IO small promo image
Small promo image

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