Run Javascript is a free Chrome extension developed by ao.ms. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory. This extension offers web developers and enthusiasts the ability to run custom Javascript code on websites they visit.

With Run Javascript, users can inject additional Javascript code to manipulate the Document Object Model (DOM) of any website they frequent. This allows for customization and personalization of webpages according to individual preferences and needs.

One of the notable features of this extension is the pre-loaded jQuerylibrary. Users can immediately utilize the powerful functionalities of jQuery, including the convenient "$" sign, without any additional setup.

Whether you're a professional web developer or simply enjoy experimenting with website customization, Run Javascript provides a valuable tool for enhancing your browsing experience. Inject custom Javascript code and witness the immediate effects on your favorite websites.