Log in
Preview of Keyword Highlighter Pro

Keyword Highlighter Pro by Masum Labs

Highlight and manage keywords and phrases on webpages with multi-match highlighting, dynamic-page support, search, import/export, and global controls.

Available on Firefox for Android™
5 (1 review)
Download Firefox and get the extension
Download file
Scan the QR code to open this extension in Firefox for Android
Screenshots
Keyword Highlighter Pro — Link-Aware Highlighting in Action The screenshot shows the extension highlighting multiple saved keywords on a webpage while providing a compact popup for keyword management, search, and global highlighting controls.Keyword Highlighter Pro — Premium Keyword Manager for searching, organizing, editing, and managing saved keywords with customizable highlighting styles.Keyword Highlighter Pro — Add Keyword Dialog: A modal window for adding a new keyword or phrase, with “capital” entered in the input field and options to confirm or cancel.Keyword Manager with search, edit, delete, import/export tools, matching settings, and adjustable highlight opacity.
About this extension
Keyword Highlighter Pro is a powerful yet lightweight browser extension for highlighting and managing keywords and phrases directly on webpages.

Key Features:

• Highlight multiple occurrences of the same keyword
• Highlight multiple keywords and phrases simultaneously
• Dynamic-page highlighting for newly loaded content
• Link-aware highlighting without disrupting normal navigation
• Search and manage saved keywords
• Import and export keyword configurations
• Global enable/disable controls
• Persistent settings using browser storage
• Lightweight and designed for everyday browsing

Privacy:

Keyword Highlighter Pro does not collect, sell, or transmit personal browsing data. Your keyword configurations and extension settings are stored locally using browser storage.
Developer comments
Keyword Highlighter Pro is a client-side browser extension for highlighting and managing keywords and phrases on webpages.

Testing:
1. Install the add-on and open any webpage containing text.
2. Open the extension popup and add one or more keywords or phrases.
3. Verify that all matching occurrences are highlighted.
4. Test multiple keywords and phrases simultaneously.
5. Test the Keyword Manager to search, edit, delete, import, and export saved keywords.
6. Test highlighting on dynamically loaded webpage content.
7. Test links and clickable elements to confirm that normal navigation remains functional.
8. Test the global highlighting enable/disable control.

No account, login, test credentials, external service, or server-side component is required.

Privacy:
The extension stores keyword configurations and settings locally using browser storage. It does not intentionally collect, sell, or transmit personal information, browsing history, or analytics data to external servers.
Rated 5 by 1 reviewer

Star rating saved

5
1
4
0
3
0
2
0
1
0
Permissions and data

Required permissions:

  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
Learn more
More information
Version
11.1.3
Size
32.47 KB
Last updated
7 hours ago (Aug 16, 2026)
Related Categories
License
All Rights Reserved
Version History
Add to collection
Report this add-on