Mouse Dictionary

Mouse Dictionary

A super fast dictionary for language learners

Mouse Dictionary promo image
What is Mouse Dictionary?

Mouse Dictionary is a Google Chrome extension that serves as a lightning-fast dictionary, notably for English and Japanese language learners. Its features include stellar phrases detection, the option to import personalized text data, a user-friendly customizable view, and availability across various document types like PDFs, YouTube captions, and text/input boxes. In addition to its default English-Japanese dictionary, users have the freedom to import other language data as needed.

Rating: 4.75 (100)
Version: 1.6.5 (Last updated: 2023-04-06)
Creation date: 2020-06-21
Risk impact: Very low risk impact
Risk likelihood: Very low risk likelihood
Manifest version: 3
  • storage
  • unlimitedStorage
  • activeTab
  • scripting
Size: 3.62M
Email: Click to see
URLs: Website
Stats date:

Other platforms

Mouse Dictionary
Mouse Dictionary (v1.5.13)
4.57 (58) 3,975
Not available on Edge
Analyze keywords

Mouse Dictionary is a super fast dictionary for Google Chrome.

Designed mainly for English and Japanese.


  • Super fast!!!
  • Awesome phrases detection
  • Capable of importing your own text data
  • Customizable view
  • Available on various documents:
    • PDF documents
    • YouTube captions
    • input elements
    • textarea

See more
User reviews
User reviews summary
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 Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
  • Fast and efficient
  • Useful for language learning
  • Supports multiple dictionaries
  • Allows users to upload their own data
  • Open to any document for translation
  • Doesn't function well with Google Docs
  • Shortcuts stopped working for some users
  • Memory saver issues make it dysfunctional
  • Cannot display multiple imported dictionaries simultaneously
Most mentioned
  • Useful for reading English and Japanese articles
  • Fast response time for translation
  • Features for dictionary customization
  • Difficulties with certain functionality on Google Docs
  • Stopped functioning recently for some users
View all user reviews
Risk impact

Mouse Dictionary is safe to use. It does not request any sensitive permissions.

Risk likelihood

Mouse Dictionary has earned a good reputation and can be trusted.

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Promo images
Mouse Dictionary small promo image
Small promo image
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