((new)) Download Greasemonkey Info

A popup will ask for permissions to access data for all websites. This is necessary because userscripts need to "read" the site to modify it.

When you download scripts from the internet, you are essentially running code on your machine. To stay safe: download greasemonkey

To get started, you need the browser. While alternatives like Tampermonkey exist for Chrome , Greasemonkey remains the definitive choice for the Firefox ecosystem. A popup will ask for permissions to access

Change fonts, colors, and layouts of your favorite sites. and layouts of your favorite sites.