April 14, 2026 Reading Time: 4 minutes
Enter . What is Tampermonkey? Tampermonkey is one of the most popular userscript managers . It’s a browser extension (available for Chrome, Firefox, Edge, Safari, and Opera) that runs small JavaScript programs called “userscripts” on specific websites.
We all know the frustration: you click a link, and instead of the article you wanted, you get a full-screen video ad, a popup asking for your email, or three banners fighting for your attention.
Most people solve this by installing a dedicated ad blocker like uBlock Origin or AdBlock Plus. But what if you want more control? What if you want a solution that is hyper-lightweight, scriptable, and works across different browsers without installing a separate extension?