# Look-Up

> Provides meaning of highlighted words in notifications

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

## Overview

- **ID:** `look-up`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Yeshwanth Arcot
- **Category:** feeds-news-blogging,search-tools,appearance,language-support
- **Daily users:** 1
- **Rating:** 1.50 / 5 (2 ratings)
- **Version:** 0.3resigned1
- **Last updated:** 2024-04-25
- **First published:** 2017-01-13
- **Size:** 20 KB
- **Data as of:** 2026-09-15
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/look-up/)
- **Website:** [https://github.com/ysharc/look-up](https://github.com/ysharc/look-up)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/look-up/privacy/](https://addons.mozilla.org/firefox/addon/look-up/privacy/)

## Description

Look-Up is a Firefox add-on that allows you to easily find the meaning of highlighted words on any webpage. When you highlight a word, a notification containing its meaning is presented to you. It uses the Pearson dictionary API for accurate definitions.

## Rankings

- #87,087 — Overall

## Permissions and access

### Permissions

- `notifications`
- `storage`

### 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).

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