# Preferred JS package manager

> Modify displayed install instructions on npmjs and yarnpkg website, also add useful features.

Canonical page: [https://chrome-stats.com/d/preferred-js-package-manager](https://chrome-stats.com/d/preferred-js-package-manager)

## Overview

- **ID:** `preferred-js-package-manager`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Gaëtan Burg
- **Category:** web-development,appearance
- **Version:** 1.6
- **Last updated:** 2021-06-03
- **First published:** 2021-05-31
- **Size:** 414 KB
- **Data as of:** 2026-09-12
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/preferred-js-package-manager/)
- **Website:** [https://gitlab.com/tag9724/preferred-js-package-manager](https://gitlab.com/tag9724/preferred-js-package-manager)

## Description

Preferred JS Package Manager is a Firefox add-on that modifies install instructions on npmjs and yarnpkg websites to use your preferred package manager. It also adds helpful features such as modifying readme code blocks, adding a copy button, and context menus for quick searches. Check out the source code on GitLab.

## Rankings

- #137,705 — Overall
- #117 — package

## Permissions and access

### Permissions

- `contextMenus`
- `storage`

### Content script matches

- `*.npmjs.com`
- `classic.yarnpkg.com`
- `yarnpkg.com`

## Safety

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

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- 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/preferred-js-package-manager)