# MarkerHero

> The MarkerHero browser extension lets you highlight text on the internet, stores those highlights, and even makes them searchable.

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

## Overview

- **ID:** `markerhero`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** MarkerHero
- **Category:** bookmarks
- **Daily users:** 2
- **Rating:** 3.00 / 5 (2 ratings)
- **Version:** 1.1.0
- **Last updated:** 2021-01-29
- **First published:** 2021-01-22
- **Size:** 976 KB
- **Data as of:** 2026-09-14
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/markerhero/)
- **Website:** [https://markerhero.com](https://markerhero.com/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/markerhero/privacy/](https://addons.mozilla.org/firefox/addon/markerhero/privacy/)

## Description

MarkerHero is a browser extension that lets you highlight text on the internet, store those highlights, and make them searchable. It helps you easily share, remember, learn, improve, and provide feedback with annotated text. With MarkerHero, you can organize your highlights, give unique links to share them, make notes for additional context, and keep your highlights safe even if the pages are removed from the internet.

## Rankings

- #60,544 — Overall
- #72 — marker

## Permissions and access

### Permissions

- `storage`
- `<all_urls>`

### Content script matches

- `*`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High 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 support email may not be valid

> 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/markerhero)