
Auto Text Highlighter by AboutAdi
Instantly highlights all matching words or parts of words on the page when you select any text. Clears the highlight when you click elsewhere.
1 User1 User
You’ll need Firefox to use this extension
Extension Metadata
Screenshots

About this extension
🚀 Auto Text Highlighter — Find Words Instantly as You Read
Tired of losing track of repeated words in long articles?
With Auto Text Highlighter, just select a word — and watch every matching word or partial match on the page instantly light up.
No clicks. No clutter. Just fast, automatic highlighting where you need it most.
✨ Why You'll Love It
🔍 Instant Highlighting
Select any single word, and all similar words on the page are highlighted automatically. Great for reading, scanning, or finding keywords fast.
🎯 Smart Matching
Finds partial matches too. Select "cat" and it’ll highlight "catalog", "category", and more — all case-insensitively.
🎨 High-Contrast Highlight Style
Neon yellow background with black text ensures you never miss a match.
🧠 Zero Effort, Zero Clutter
No toolbars. No options to configure. Just select and scan. Highlights disappear as soon as you click away.
🔒 Private by Design
The extension works entirely in your browser. No data is tracked, saved, or sent anywhere.
🔧 Perfect For:
Tired of losing track of repeated words in long articles?
With Auto Text Highlighter, just select a word — and watch every matching word or partial match on the page instantly light up.
No clicks. No clutter. Just fast, automatic highlighting where you need it most.
✨ Why You'll Love It
🔍 Instant Highlighting
Select any single word, and all similar words on the page are highlighted automatically. Great for reading, scanning, or finding keywords fast.
🎯 Smart Matching
Finds partial matches too. Select "cat" and it’ll highlight "catalog", "category", and more — all case-insensitively.
🎨 High-Contrast Highlight Style
Neon yellow background with black text ensures you never miss a match.
🧠 Zero Effort, Zero Clutter
No toolbars. No options to configure. Just select and scan. Highlights disappear as soon as you click away.
🔒 Private by Design
The extension works entirely in your browser. No data is tracked, saved, or sent anywhere.
🔧 Perfect For:
- Students doing research or studying text-heavy pages
- Journalists, writers, or editors scanning for repeated words
- Developers reviewing code or documentation
- Anyone who reads a lot online and wants to spot patterns fast
Get it now and instantly level up your online reading.
Rated 0 by 0 reviewers
Permissions and dataLearn more
Required permissions:
- Access your data for all websites
Optional permissions:
- Access your data for all websites
More information
- Add-on Links
- Version
- 1.1
- Size
- 8.88 KB
- Last updated
- a month ago (Jul 29, 2025)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
- Add to collection
More extensions by AboutAdi
- There are no ratings yet
- There are no ratings yet
- There are no ratings yet
- There are no ratings yet
- There are no ratings yet
- There are no ratings yet