Create a list of words and phrases you are interested in. See them highlighted on every page you visit.

Word Highlighter: Highlight and learn new words in Firefox
Word Highlighter is a Firefox add-on that expands your vocabulary by highlighting words and phrases you're interested in on every page you visit. It tracks words and definitions, offers smart matching in multiple languages, displays definitions on hover, and respects your privacy. Free and open-source.
Add-on stats
Manifest V2
By: ainzzorl
Weekly download count: 8
Firefox on Android: Yes
Permissions:
- storage
- contextMenus
Size: 1.07M
URLs: Website
Full description: See detailed description
Ranking
User reviews
by 退出党团队远离中共邪教, 2025-03-03
by otus, 2024-07-05
Add-on safety
Risk impact
Word Highlighter requires a few sensitive permissions. Exercise caution before installing.
Risk impact analysis details
- Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of Word Highlighter. Use it at your own risk.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
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