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Preview of Popup Dictionary

Popup Dictionary by Jonas Högman

Adds dictionary functionality to Firefox in the style of the Google Dictionary extension for Google Chrome. Double-click on a word on any page and a popup will appear with the definition of that word.

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UI example.
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Required permissions:

  • Access your data for all websites
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Version
1.0
Size
24.94 KB
Last updated
7 days ago (Jun 26, 2025)
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License
All Rights Reserved
Version History
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Release notes for 1.0
Fix issue with z-index causing popup to appear below certain elements

Rework popup CSS to use modern grid layout

Add logging

Fix audio by switching to built-in Firefox voice synthesizer API

Removed support for non-English language due to lack of support from upstream API
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