Activate and deactivate your scripts with 2 clicks Easily manage and edit your userscripts Userscripts are small computer programs that change the layout of a page, add or remove new functionality and content, or automate actions. Tampermonkey is used to run so-called userscripts (sometimes also called Greasemonkey scripts) on websites.
The world's most popular userscript managerTampermonkey is one of the most popular browser extensions with over 10 million users.