# Words Discoverer

> Highlights rare English dictionary words and idioms on web pages. Facilitates English language learning and expands your vocabulary.

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

## Overview

- **ID:** `words-discoverer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Firefox user 12948146
- **Category:** search-tools,appearance,language-support,other
- **Daily users:** 9
- **Rating:** 3.33 / 5 (6 ratings)
- **Version:** 2.9.0.2resigned1
- **Last updated:** 2024-04-25
- **First published:** 2017-04-08
- **Size:** 615 KB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/words-discoverer/)
- **Website:** [https://github.com/mechatroner/aided\_reading](https://github.com/mechatroner/aided_reading)

## Description

Words Discoverer is a Firefox add-on that highlights rare English dictionary words and idioms on web pages. It helps facilitate English language learning and expands your vocabulary.

## Rankings

- #34,235 — Overall
- #22 — discover
- #142 — cover
- #198 — discord

## Permissions and access

### Permissions

- `activeTab`
- `storage`
- `contextMenus`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low 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).

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Source: [Chrome-Stats](https://chrome-stats.com/d/words-discoverer)