# Contextlets

> Add context menu items that execute custom JavaScript.

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

## Overview

- **ID:** `contextlets`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** David Hammond
- **Category:** other
- **Daily users:** 43
- **Rating:** 4.79 / 5 (14 ratings)
- **Version:** 0.4.1
- **Last updated:** 2020-04-15
- **First published:** 2017-11-26
- **Size:** 27 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/contextlets/)

## Description

Contextlets is a Firefox add-on that allows you to add custom JavaScript code to the context menu. You can execute code as a content script or a background script, with access to the window object, DOM, and WebExtension APIs.

## Rankings

- #17,188 — Overall
- #45 — context menu
- #47 — etsy
- #107 — javascript
- #142 — concert
- #169 — speech to text

## Permissions and access

### Permissions

- `bookmarks`
- `clipboardRead`
- `clipboardWrite`
- `contextMenus`
- `downloads`
- `management`
- `menus`
- `storage`
- `tabs`
- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low 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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- [JSActions K](https://chrome-stats.com/d/jsactions_k) — 11 users, 5.00 / 5
- [Top Context Menu Customizer](https://chrome-stats.com/d/top-context-menu-customizer) — 1 users
- [Content Scripts Extension](https://chrome-stats.com/d/content-scripts-extension) — 1 users
- [ContextSearch web-ext](https://chrome-stats.com/d/contextsearch-web-ext) — 3,160 users, 4.68 / 5
- [Context Menu Sample](https://chrome-stats.com/d/context-menu-sample)
- [Custom Context Menu](https://chrome-stats.com/d/custom-context-menu) — 3 users
- [New Tab Context](https://chrome-stats.com/d/new-tab-context) — 67 users, 4.62 / 5
- [MyJs](https://chrome-stats.com/d/myjs)

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