# Auto Text Highlighter

> Instantly highlights all matching words or parts of words on the page when you select any text. Clears the highlight when you click elsewhere.

Canonical page: [https://chrome-stats.com/d/auto-text-highlighter](https://chrome-stats.com/d/auto-text-highlighter)

## Overview

- **ID:** `auto-text-highlighter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** AboutAdi
- **Category:** web-development,search-tools,appearance
- **Daily users:** 4
- **Weekly downloads:** 1
- **Version:** 1.1
- **Last updated:** 2025-08-01
- **First published:** 2025-07-29
- **Size:** 8.88 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/auto-text-highlighter/)

## Description

🚀 <strong>Auto Text Highlighter</strong> — Find Words Instantly as You Read

<strong>Tired of losing track of repeated words in long articles?</strong>
With <strong>Auto Text Highlighter</strong>, 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

🔍 <strong>Instant Highlighting</strong>
Select any single word, and all similar words on the page are highlighted automatically. Great for reading, scanning, or finding keywords fast.

🎯 <strong>Smart Matching</strong>
Finds partial matches too. Select "cat" and it’ll highlight "catalog", "category", and more — all case-insensitively.

🎨 <strong>High-Contrast Highlight Style</strong>
Neon yellow background with black text ensures you never miss a match.

🧠 <strong>Zero Effort, Zero Clutter</strong>
No toolbars. No options to configure. Just select and scan. Highlights disappear as soon as you click away.

🔒 <strong>Private by Design</strong>
The extension works entirely in your browser. No data is tracked, saved, or sent anywhere.

🔧 Perfect For:
<ul><li>Students doing research or studying text-heavy pages</li><li>Journalists, writers, or editors scanning for repeated words</li><li>Developers reviewing code or documentation</li><li>Anyone who reads a lot online and wants to spot patterns fast</li></ul>

<blockquote><strong>Get it now and instantly level up your online reading.</strong></blockquote>

## Rankings

- #49,888 — Overall
- #101 — highlighter

## Permissions and access

### Permissions

- `scripting`
- `activeTab`

### Host permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

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- [Text Highlight](https://chrome-stats.com/d/text-highlight) — 2 users
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- [Easy Highlight - Auto Highlight](https://chrome-stats.com/d/easy-highlight-auto-highlight) — 1 users
- [Text Finder & Highlighter](https://chrome-stats.com/d/text-finder-highlighter) — 1 users, 1.00 / 5
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- [Auto Highlight](https://chrome-stats.com/d/auto-highlight) — 45 users, 2.50 / 5
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- [Smart Keyword Highlighter](https://chrome-stats.com/d/automatic-keyword-highlighter) — 5.00 / 5
- [Highlight text](https://chrome-stats.com/d/highlight-texts) — 57 users, 4.00 / 5
- [Text Highlighter](https://chrome-stats.com/d/text-highlight-pro) — 3 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/auto-text-highlighter)