Definer - Dictionary, Translator, AI Assistant

Smart popup assistant with translations, dictionary results, images, and AI insights powered by your preferred LLM provider and model.

Definer - Smart Popup Translator & Dictionary

Definer - Popup Translator, Dictionary, AI is a powerful Firefox add-on that provides instant translations, definitions, and AI insights through a pop-up bubble. By simply double-clicking a word or highlighting text, users can access multilingual results, images, and pronunciation audio from various sources, making it a versatile tool for language learning, research, and casual browsing. With extensive customization options and PDF support, Definer enhances readability and comprehension across web pages and documents.

Add-on stats

Manifest V3
By: Lumetrium
Daily users: 1,522
67
Rating: 4.69
(95)
Version: 1.6.4 (Last updated: 2025-02-23)
Version code: 5898177
Creation date: 2021-06-14
Weekly download count: 140
Firefox on Android: No
Permissions:
  • contextMenus
  • storage
  • unlimitedStorage
  • tabs
  • declarativeNetRequest
  • identity
Host permissions:
  • *://*/*
Size: 6.07M
Full description: See detailed description

Other platforms

Not available on Android
Not available on Edge

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 and customizable
  • Works effectively across various websites
  • Saves time with quick word lookups
  • Combines multiple functionalities into one add-on
  • Great user interface and detailed design
Cons
  • Not open source and lacks Firefox team supervision
  • Some functionality issues, such as the Google search feature not working
  • Bubble doesn't disappear on certain websites without reloading
  • Limited default source options and lack of multiple custom source support
Most mentioned
  • Lack of supervision from the Firefox team and security concerns
  • Desire for more customizable dictionary options
  • Difficulty with functionality on some specific websites like Instagram
  • Need for recommended badge in the Firefox Add-ons store
User reviews
by linshigong, 2025-02-25

Came here after dictionary everywhere or anywhere (whatever it was called) went down. Better if not perfect replacement.

by underworld13, 2025-02-18
View all user reviews

Add-on safety

Risk impact

Definer - Dictionary, Translator, AI Assistant requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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  • Low ******* ****** ** *** ********* ********
Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of Definer - Dictionary, Translator, AI Assistant. 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 **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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