8.6
uBlock Origin
🌐 Chrome ExtensionUnknown
Finally, an efficient blocker. Easy on CPU and memory.
14,000,000 usersRating: 4.7/5v1.71.0
Low Risk8.6/10
Scanned June 2, 2026
8.2
Permissions
6.0
Developer
10.0
Data Privacy
10.0
Policy Match
Permissions (21)
Schedule tasks to run periodically
alarmsacceptable
Common for ad blockers — used by most tools in this category
Add items to right-click menus
contextMenusexpected
Standard for ad blockers — this permission is required for core functionality
Unknown permission: privacy
privacyunusual
Uncommon for ad blockers but not necessarily a concern
Store data locally in the browser
storageexpected
Standard for ad blockers — this permission is required for core functionality
Read your open tabs and navigation activity
tabsacceptable
Common for ad blockers — used by most tools in this category
Unknown permission: unlimitedStorage
unlimitedStorageacceptable
Common for ad blockers — used by most tools in this category
Track detailed navigation events
webNavigationacceptable
Common for ad blockers — used by most tools in this category
Observe and analyze all web traffic
webRequestexpected
Standard for ad blockers — this permission is required for core functionality
Intercept and modify web traffic
webRequestBlockingexpected
Standard for ad blockers — this permission is required for core functionality
Access all websites you visit
<all_urls>expected
Standard for ad blockers — this permission is required for core functionality
Access data on *
http://*/*acceptable
Common for ad blockers — used by most tools in this category
Access data on *
https://*/*acceptable
Common for ad blockers — used by most tools in this category
Access data on easylist.to
https://easylist.to/*acceptable
Common for ad blockers — used by most tools in this category
Access data on *.fanboy.co.nz
https://*.fanboy.co.nz/*acceptable
Common for ad blockers — used by most tools in this category
Access data on filterlists.com
https://filterlists.com/*acceptable
Common for ad blockers — used by most tools in this category
Access data on forums.lanik.us
https://forums.lanik.us/*acceptable
Common for ad blockers — used by most tools in this category
Access GitHub repositories and data
https://github.com/*acceptable
Common for ad blockers — used by most tools in this category
Access data on *.github.io
https://*.github.io/*acceptable
Common for ad blockers — used by most tools in this category
Access GitHub repositories and data
https://github.com/uBlockOrigin/*acceptable
Common for ad blockers — used by most tools in this category
Access data on ublockorigin.github.io
https://ublockorigin.github.io/*acceptable
Common for ad blockers — used by most tools in this category
Access data on *.reddit.com
https://*.reddit.com/r/uBlockOrigin/*acceptable
Common for ad blockers — used by most tools in this category
Developer
NameNot disclosed
Verified PublisherYes
Known EntityNot recognized
Data Flows
Extension background service
Encryptedtab data
Privacy Policy Analysis
Policy Status
Policy found
https://github.com/gorhill/uBlock/wiki/Privacy-policy
Actual Data Collection
- tab data
Policy matches observed behavior
Alternatives to Consider
Know what your tools are really doing.