"Yarn" on the Node Package Manager is a free Chrome extension developed by Water. It falls under the category of Browsers and is specifically categorized as an Add-ons & Tools extension. This extension aims to streamline package management for developers using the npmjs website.

One of the main features of "Yarn" is that it replaces the traditional "npm i" command with "yarn add" directly on the npmjs website. This makes it easier for developers who prefer using Yarn as their package manager to quickly add packages to their projects. Additionally, the extension modifies the Copying Area on the npmjs website so that clicking on it automatically copies the command "yarn add Package".

In addition to these core functionalities, "Yarn" offers several other useful features. Right-clicking on the extension icon provides options to quickly open the npmjs site, remove the extension icon, and even access a hidden cookie button (shh, it's a secret!). The extension also includes transitions to the NpmJs site from the context menu, additional styles for notifications and the Copying Area (with blue yarn colors), and support for both Russian and English languages.

Overall, "Yarn" on the Node Package Manager is a convenient Chrome extension that simplifies package management for developers using Yarn as their preferred package manager. With its intuitive features and seamless integration with the npmjs website, it offers a smoother and more efficient workflow for developers.