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uBlock Origin
Chrome Extensions
About
What Was Manifest V3?
An efficient, open-source content and ad blocker.
Features & use cases
- What Happened with Manifest V3
- How This Affected uBlock Origin
- If You Use Chrome
- If You Use Firefox or Brave
- Browser Support Summary
- Key Features
Section titles taken from ublockorigin.com, checked 2026-08-01.
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