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Preview of Gemini Quick Definition

Gemini Quick Definition by Khanh Le

Get short definitions of highlighted phrases using Gemini API.

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Extension Metadata

Screenshots
Showing the definition by highlighting a phrase and pressing Ctrl + Shift + FThe add-on dropdownThe API Key setting tab
About this extension
This is an add-on that uses your Google Gemini API Key to get definitions of highlighted phrases on any webpage.
  1. Install the add-on.
  2. Click on the add-on, click Set API Key and set the Gemini API key.
  3. In any pages, a request for definition of any phrase can be made by highlighting the phrase and pressing the key combo Ctrl + Shift + F. Definition requests can also be made using phrases from the previous definition pop up.
  4. To close the top definition popup, click on the gray background or press Esc.
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Permissions and data

Required permissions:

  • Access browser tabs
  • Access your data for all websites

Required data collection, according to the developer:

  • Website content
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More information
Version
1.0
Size
46.67 KB
Last updated
4 days ago (Nov 7, 2025)
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License
Mozilla Public License 2.0
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