10ten Japanese Reader (Rikaichamp)

Quickly translate Japanese by hovering over words. Formerly released as Rikaichamp.

10ten Japanese Reader (Rikaichamp) - Fast Japanese Translation

10ten Japanese Reader (Rikaichamp) is a unique Firefox add-on that instantly translates Japanese words on hover. It offers comprehensive features like pitch accent information, auto-updating of dictionaries, support for non-English dictionaries, translation of Japanese yen amounts, numbers, era years, measurements, and shogi moves. It recognizes a range of grammatical forms and provides localized translations in Japanese and Simplified Chinese. It also offers Kanji data for Kanji kentei, and ensures minimal memory usage for seamless operation.

Add-on stats

Manifest V2
By: Birchill
Daily users: 24,329
24
Version: 1.23.0 (Last updated: 2025-02-11)
Version code: 5880256
Creation date: 2017-10-20
Weekly download count: 315
Firefox on Android: Yes
Permissions:
  • alarms
  • clipboardWrite
  • contextMenus
  • storage
  • unlimitedStorage
Size: 18.46M
Full description: See detailed description

Other platforms

10ten Japanese Reader (Rikaichamp) (v1.23.0)
20,000 4.70 (77)
Not available on Android
10ten Japanese Reader (Rikaichamp) (v1.23.0)
5,901 4.80 (17)

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Easy to use
  • Very helpful for learning Japanese
  • Works well after installation
  • Useful for immersion reading
  • Accurate recognition of words
Cons
  • Occasional bugs with activation requiring multiple clicks
  • Issues with updating the add-on
  • Problems finding specific homonyms or words in the dictionary
  • The bundled font can be jarring or inconsistent with system fonts
Most mentioned
  • Works well for learning Japanese
  • User interface issues with activation
  • Difficulty finding specific words among homonyms
  • Desire for additional language support
  • Font display issues
User reviews
by Lovecraft Zhao, 2025-03-05

by Krirub, 2025-02-19

by Beck, 2025-02-07
View all user reviews

Add-on safety

Risk impact

10ten Japanese Reader (Rikaichamp) requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of 10ten Japanese Reader (Rikaichamp). Use it at your own risk.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
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  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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