uBlock Origin

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

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uBlock Origin is available to install from Firefox Browser Add-ons and for download from this page. It has 7,350,661 daily active users The latest version is 1.54.0, and it was published 10 days ago.

All available versions

You can find the current and older versions of uBlock Origin here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

How to install uBlock Origin from an XPI file

1. Simply drag-and-drop the XPI into Firefox to install the add-on.

How to install uBlock Origin from a ZIP file

1. Download the uBlock Origin ZIP file
2. In Firefox browser, go to about:addons to open Add-ons Manager
3. Click on , then select Install Add-on From File
4. Select the uBlock Origin ZIP file from step 1. uBlock Origin is now installed on your browser.