Sep 26, 2024 · The uBlock Origin is a free and open-source, cross-platform browser extension for content filtering—primarily aimed at neutralizing privacy invasion in an efficient, user-friendly method. …

Description Finally, an efficient blocker. Easy on CPU and memory. IMPORTANT: uBlock Origin is completely unrelated to the site "ublock.org". uBlock Origin is not an "ad blocker", it's a wide …

If you want an ad blocker for Firefox, Chrome, or Safari, uBlock is here. uBlock blocks all annoying pop-ups and ads. uBlock is more than just a pop up blocker, it also protects your privacy by blocking …

Nov 26, 2025 · Download uBlock Origin for Firefox. Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

uBlock Origin (uBO) is a CPU and memory-efficient wide-spectrum content blocker for Chromium and Firefox. It blocks ads, trackers, coin miners, popups, annoying anti-blockers, malware sites, etc., by …

Finally, an efficient blocker. Easy on CPU and memory. IMPORTANT: uBlock Origin is completely unrelated to the site "ublock.org". uBlock Origin is not an "ad blocker", it's a wide-spectrum content …

uBlock: A no-nonsense ad blocker. The official uBlock extension has been downloaded millions of times and is used all over the world. Install today and enjoy a hassle-free browsing experience!

uBlock Origin (/ ˈjuːblɒk / YOO-blok[5]) is a free and open-source browser extension for content filtering, including ad blocking. The extension is available for Firefox and Chromium -based browsers (such as …

Getting started with uBlock uBlock is a “install and forget” extension. We ...

Usage: The big power button in the pop-up is to permanently disable/enable uBlock for the current website. It applies to the current website only; it is not a global power button.