# Vocab Explorer

> Vocab Explorer is a Firefox add-on for people building up their vocabulary for one, or several, languages. Users can highlight words and phrases on a webpage and search for them in an online dictionary of their choice.

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

## Overview

- **ID:** `vocab-explorer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** ChrisERo
- **Category:** language-support
- **Daily users:** 2
- **Version:** 0.0.8
- **Last updated:** 2021-07-11
- **First published:** 2020-06-06
- **Size:** 52 KB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/vocab-explorer/)

## Description

Vocab Explorer is a Firefox add-on designed to help language learners build their vocabulary. By highlighting words or phrases on any webpage, users can search for them in a chosen online dictionary, track definitions, and quiz themselves on the vocabulary.

## Rankings

- #65,258 — Overall
- #243 — block explorer

## Permissions and access

### Permissions

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

### Content script matches

- `*`

## Safety

- **Risk impact:** High 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).

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