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BrowserOS supports full ad blocking through uBlock Origin, the most powerful open-source ad blocker available — the full extension, not the watered-down “Lite” version.

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Why BrowserOS?

Chrome killed support for uBlock Origin by phasing out Manifest V2 extensions. The only option left on Chrome is “uBlock Origin Lite,” a significantly weaker version that can’t use advanced filtering rules. BrowserOS re-enabled full Manifest V2 support, so you can install and run the original uBlock Origin at full power — the same extension Chrome no longer allows.

Install uBlock Origin

Install the full uBlock Origin extension from the Chrome Web Store. Works on BrowserOS out of the box.

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BrowserOS vs Chrome

We ran both browsers through adblock.turtlecute.org, a test that measures how effectively a browser blocks ads and tracking scripts.

BrowserOS — 68%

BrowserOS blocking 68% of ads

Chrome — 7%

Chrome blocking only 7% of ads
Out of 133 ad-related requests:
  • BrowserOS blocked 91 (68%)
  • Chrome blocked 9 (7%)
That’s roughly 10x more protection with zero configuration.

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What This Means

Fewer ads means faster page loads, less bandwidth usage, and significantly reduced tracking. BrowserOS handles this natively so you can focus on browsing.