Text Highlighter by yshkon
Highlight custom text on every webpage with customizable colors and matching options
1 User1 User
Extension Metadata
About this extension
- Multiple word highlighting - Add multiple words/phrases to be highlighted, each with individual settings
- Per-word options:
Case sensitivity (Aa button) - Toggle case-sensitive matching for each word
Whole word matching (W button) - Toggle between matching anywhere vs. standalone words only - Individual colors - Each word can have its own highlight and text colors
- Per-site control - Enable/disable each word on specific websites
- Right-click context menu - Select any text and right-click to access highlighting options:
Add to highlights (Permanent) - Add words to your saved highlight list
Add to highlights (Until refresh) - Highlight all instances temporarily
Highlight this instance only - Highlight just the selected occurrence (great for studying)
Remove highlight (temporary) - Remove temporary or single-instance highlights - Single-instance highlighting - Highlight only one specific occurrence of text, not all matches
- Perfect for studying or marking specific passages
- Keyboard shortcut support (default: Alt+H, customizable)
- Toggle behavior: press shortcut again on highlighted text to remove it
- Customizable keyboard shortcuts - Configure your own shortcut for single-instance highlighting via the settings panel
- Auto-save - All changes are saved and applied automatically
- Collapsible sections - Temporary highlight colors section can be collapsed to save space
- Expandable word items - Click on a word to expand and customize its colors
- Scrollable word list - View and manage all your highlighted words in a scrollable list
- Enable/disable toggle - Quickly turn highlighting on or off
- Dynamic content support - Uses MutationObserver to highlight text in dynamically loaded content
- Persistent settings - Settings are saved using browser.storage.local
Rated 0 by 0 reviewers
Permissions and data
Required permissions:
- Access browser tabs
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.5.1
- Size
- 28.95 KB
- Last updated
- a month ago (Jan 6, 2026)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
- Add to collection