Add new features to your browser and personalize your browsing experience.

Customize your browser with extensions from the Chrome Web Store.

Make Microsoft Edge your own with extensions and themes that help you personalise the browser and be more productive.

Download Firefox Extensions to add features that customize browsing. Protect passwords, find deals, enhance video, and block annoying ads with browser apps.

uBlock Origin is a free, open-source ad blocker extension and content blocker. Block ads on YouTube, Twitch, and across the web with low CPU and memory usage. Available for Firefox, Edge, Opera, …

Tampermonkey is a versatile browser extension with over 🔟 million users that enhances your browsing experience by allowing you to run userscripts on websites. Userscripts are small programs that …

Prepare your extension as we begin testing a new extensions menu How to prepare your extension for the new extensions menu.

Download Firefox extensions and themes. They’re like apps for your browser. They can block annoying ads, protect passwords, change browser appearance, and more.

The world's first truly free Ad Blocker Extension that works on mobile & desktop. With Ghostery you can block ads, cookies, popups, youtube ads and more.

Download the free vidIQ browser extension for Chrome, Firefox, or Edge. Get YouTube SEO scores, keyword suggestions, and competitor insights on every video page.