At its core, Tampermonkey is a browser extension that acts as a script engine. It allows you to install and run "userscripts"—small bits of JavaScript that can modify the appearance or functionality of the websites you visit. Unlike standard browser extensions that are often limited by strict Content Security Policies (CSP) , Tampermonkey uses advanced techniques to inject code directly into the global scope of a web page.
Even with a powerful tool like Tampermonkey , you might run into occasional hiccups. Here are some quick fixes from the GreaseMonkey community : Tampermonkey 4.13.6140
// ==UserScript== // @name My First Script // @match https://*.example.com/* // @grant none // ==/UserScript== (function() { 'use strict'; console.log('Tampermonkey is running on this page!'); })(); Use code with caution. Copied to clipboard At its core, Tampermonkey is a browser extension
If you’ve ever found yourself wishing a website worked just a little differently—maybe you want to kill annoying YouTube ads or add custom background images to your workspace —then you’ve likely encountered Tampermonkey. As one of the most popular userscript managers, Tampermonkey 4.13 continues to be the "secret sauce" for personalizing the web. What Exactly is Tampermonkey? Even with a powerful tool like Tampermonkey ,
Setting up is straightforward. After adding the extension to Chrome, you can create your own script or install one from a community repository. A basic template often uses an to keep things clean and avoid interfering with the site's existing code: javascript
A centralized place to manage, update, or delete scripts with a few clicks. Getting Started: Your First Script