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Preview of 10ten Japanese Reader (Rikaichamp)

10ten Japanese Reader (Rikaichamp) by Birchill

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

4.7 (255 reviews)4.7 (255 reviews)
23,069 Users23,069 Users
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Look up Japanese anywhere: Twitter, Wikipedia, YouTube subtitles, e-books, newspapers, whatever interests you.

Show pitch accent information along with dictionary entries.Recognizes a wide range of grammatical forms (e.g. 兼した, 食べてた, 分からん、じーちゃん、頑張ろー、そーゆー, 買っとく) and highlights relevant entries from the name dictionary too.Translates Japanese yen amounts, Japanese numbers, Japanese-era years, 畳/帖 measurements, shogi moves etc.Provides separate kanji and name dictionaries.Updates all the dictionaries automatically twice a week in the background.
About this extension
Look up Japanese words with the hover of a mouse.

After enabling the add-on from the toolbar (or press Alt+R) simply hover over Japanese text and a popup displays corresponding dictionary definitions.

Features:
  • Pitch accent information
  • Automatically updating dictionaries (updating twice a week)
  • Support for non-English dictionaries
  • Translation of:
    • Japanese yen amounts (e.g. 30億円) into another currency,
    • Japanese numbers (e.g. 13億5千万 into 1,350,000,000),
    • Japanese-era years (e.g. 昭和56年、令和元年),
    • 畳/帖 measurements (e.g. 四畳半、12.6 帖),
    • shogi moves (e.g. ☗8三銀引成)
  • Recognition of a wide range of grammatical forms (e.g. 兼した, 食べてた, 分からん、じーちゃん、頑張ろー、そーゆー, 買っとく etc.)
  • Kanji stroke order animations
  • Automatic preview of name entries
  • Handling of a wide range of characters (e.g. ㌀, ㋿, 𠏹沢, 8月, B級グルメ,
    オーサカ)
  • Localized into Japanese (so you can study Japanese while you study Japanese!) and Simplified Chinese
  • Romaji transliteration
  • Copy to clipboard in various formats
  • Support for the widest range of Web content (vertical text, SVG images, hidden text etc.)
  • Minimal memory usage
  • Kanji data for Kanji kentei, Conning references, updated educational levels, heavily reworked kanji components etc.

10ten Japanese Reader aims to be simple, reliable, fast, and always up-to-date.

Twitter/X: @10tenapp
Rated 4.7 by 255 reviewers
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Permissions and dataLearn more

Required permissions:

  • Input data to the clipboard
  • Access your data for all websites
More information
Add-on Links
  • Homepage
  • Support site
  • Support Email
Version
1.25.1
Size
17.67 MB
Last updated
16 days ago (Jul 22, 2025)
Related Categories
  • Language Support
  • Social & Communication
License
GNU General Public License v3.0 only
Privacy Policy
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Version History
  • See all versions
Tags
  • translate
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