Greasemonkey Manual:Installing Scripts

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Greasemonkey Manual
Using Greasemonkey
Installing Scripts
Monkey Menu
Getting Help
User Script Authoring

About User Scripts

The purpose of Greasemonkey is to manage user scripts. User scripts allow the user to control the way they use the web, by customizing it with scripting. The Greasemonkey extension won't do any good without any scripts installed.

The first thing an eager user should do is find and install (or write!) a useful script.

  • A word on finding user scripts. They may be located anywhere on the internet or even offline. The Greasemonkey community typically uses the general purpose user script repository site created for it at

Installation of a script is most often done by clicking a link on a web page. One may also drag-and-drop a local file into the browser window, or optionally use the menu bar File → Open File... dialog to open it.

  • Any file that ends in .user.js is a valid Greasemonkey user script.

When the URL of a link is clicked or otherwise navigated to ends with .user.js, Greasemonkey will intercept the loading file by presenting the installation dialog.