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SPECIFICTION
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uBlock

ublock.org

Free plan WebWindowsBrowser extension
Visit ublock.org
Spec score 8.1 #15 of 29 in Ad Blocking Software

Spec sheet

Purpose
uBlock is a free, open-source ad blocker for Chrome and Edge.Read 7 Oct 2026 · support.ublock.org
Free plan
YesRead 20 Sep 2026 · ublock.org
Security
uBlock says collected information is stored in its databases and that it takes reasonable steps to keep it secure, while noting it cannot guarantee absolute security.Read 7 Oct 2026 · ublock.org
Support
The help center offers a support request form and an email support address.Read 7 Oct 2026 · support.ublock.org
License
The site links to the GNU General Public License version 3 (GPLv3).Read 7 Oct 2026 · ublock.org
Headquarters
Atlanta, Georgia, United StatesRead 28 Sep 2026 · ublock.org
Ad blocking
It removes intrusive ads, including ads in YouTube videos, and blocks pop-ups and tracking tools.Read 7 Oct 2026 · support.ublock.org
Analytics
uBlock says it uses Cloudflare Analytics to aggregate traffic and usage information to improve its extension and website.Read 7 Oct 2026 · ublock.org
Browser availability
The site links to browser add-ons for Google Chrome and Microsoft Edge.Read 7 Oct 2026 · ublock.org
Browser support
multiple-browsersRead 20 Sep 2026 · ublock.org
Custom filter lists
NoRead 20 Sep 2026 · ublock.org
Data retention
General request logs are kept for up to 180 days; the policy says IP addresses are hashed and the original IP address is immediately deleted.Read 7 Oct 2026 · ublock.org
Device coverage
browser-onlyRead 20 Sep 2026 · ublock.org
Element picker
NoRead 20 Sep 2026 · ublock.org
Error reporting
uBlock says Sentry collects error messages, stack traces, and device information for debugging, and that personally identifiable information is not sent to Sentry.Read 7 Oct 2026 · ublock.org
Extension telemetry
The extension collects anonymous usage information including its version, preferred language, and browser and operating system type.Read 7 Oct 2026 · ublock.org
Filter lists
Release 24.0.4 states that EasyList is always installed.Read 7 Oct 2026 · ublock.org
Independence
The help center states that uBlock is independent and is not affiliated with uBlock Origin.Read 7 Oct 2026 · support.ublock.org
Install options
The official website links to Google Chrome and Microsoft Edge browser extensions.Read 7 Oct 2026 · ublock.org
Malware protection
The help center says uBlock protects against malware.Read 7 Oct 2026 · support.ublock.org
Manifest version
The release notes say Chrome builds use Manifest V3 starting with release 24.0.3.Read 7 Oct 2026 · ublock.org
Performance
The site describes uBlock as fast, memory efficient, and lightweight.Read 7 Oct 2026 · ublock.org
Privacy data
The privacy policy says the extension collects anonymous usage information including its version, preferred language, browser and operating system type, and an anonymous installation ID.Read 7 Oct 2026 · ublock.org
Security caveat
The privacy policy says uBlock takes reasonable steps to secure collected information but cannot guarantee absolute security.Read 7 Oct 2026 · ublock.org
Setup
uBlock activates upon installation and is designed to require minimal customization.Read 7 Oct 2026 · support.ublock.org
Site controls
Users can pause uBlock to allow ads temporarily or disable it on specific sites.Read 7 Oct 2026 · support.ublock.org

Plans and prices

uBlock Free Free, open-source ad blocker · Chrome and Edge Read 7 Oct 2026 · support.ublock.org

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