# Text Highlighter

> Highlight custom text on every webpage with customizable colors and matching options

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

## Overview

- **ID:** `multi-page-highlighter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** yshkon
- **Category:** feeds-news-blogging,appearance,alerts-updates
- **Daily users:** 10
- **Weekly downloads:** 4
- **Version:** 1.5.1
- **Last updated:** 2026-01-09
- **First published:** 2026-01-06
- **Size:** 29 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/multi-page-highlighter/)

## Description

<ul><li>Multiple word highlighting - Add multiple words/phrases to be highlighted, each with individual settings</li><li>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</li><li>Individual colors - Each word can have its own highlight and text colors</li><li>Per-site control - Enable/disable each word on specific websites</li><li>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</li><li>Single-instance highlighting - Highlight only one specific occurrence of text, not all matches</li><li>Perfect for studying or marking specific passages</li><li>Keyboard shortcut support (default: Alt+H, customizable)</li><li>Toggle behavior: press shortcut again on highlighted text to remove it</li><li>Customizable keyboard shortcuts - Configure your own shortcut for single-instance highlighting via the settings panel</li><li>Auto-save - All changes are saved and applied automatically</li><li>Collapsible sections - Temporary highlight colors section can be collapsed to save space</li><li>Expandable word items - Click on a word to expand and customize its colors</li><li>Scrollable word list - View and manage all your highlighted words in a scrollable list</li><li>Enable/disable toggle - Quickly turn highlighting on or off</li><li>Dynamic content support - Uses MutationObserver to highlight text in dynamically loaded content</li><li>Persistent settings - Settings are saved using browser.storage.local</li></ul>

## Rankings

- #33,918 — Overall
- #60 — highlighter

## Permissions and access

### Permissions

- `storage`
- `activeTab`
- `contextMenus`
- `tabs`
- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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).

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