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uBlock Origin

A wide-spectrum content blocker that is easy on CPU and memory.

Privacy & Security Verified Low risk
Add to Browser

We link to the Chrome Web Store. Sponsored placements are always labelled.

What it does

uBlock Origin filters network requests against community-maintained blocklists rather than an advertiser-funded allow-list. It is free, open source, and does its matching locally — no account, no telemetry, no "acceptable ads" programme.

Permissions & privacy

What this extension asks for, and why it needs it.

Read & change all your data on websites High risk
The extension can read and modify the content of every site you visit.
Block or modify network requests Medium risk
Filter, redirect or block requests — how blockers work.
Store data locally Low risk
Keep settings and cached data in the browser.

Technical details

Developer
Raymond Hill
Licence
GPL-3.0
Languages
English
Browsers
Chrome, Edge, Brave
Open source
Yes

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