Privacy Badger
Privacy & SecurityFree
Learns and blocks invisible trackers automatically.
4.52,000 reviews1M+
View Extension
uBlock Origin
Efficient, open-source content and ad blocker.
uBlock Origin screenshots
Overview
uBlock Origin blocks ads, trackers and malware domains using filter lists, with a very low memory and CPU footprint. Advanced users get element pickers, dynamic filtering and per-site rules.
Key features
Filter list blocking
Blocks ads, trackers and malware hosts from curated lists.
Element picker
Point at any page element and remove it permanently.
Dynamic filtering
Per-site, per-domain rules for advanced users.
Low overhead
Uses less memory and CPU than most blockers.
Pros
- Extremely low resource usage
- Powerful custom filtering
- No monetised allowlist
- Fully open source
Cons
- Advanced mode is intimidating
- Manifest V3 changes affect filtering
- No support desk
Who should use uBlock Origin?
Anyone who wants the most efficient, most configurable ad and tracker blocker available.
Pricing
uBlock Origin is free. There is no paid tier to consider.
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Bitwarden
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View ExtensionFrequently asked questions
Is uBlock Origin free?
Yes, uBlock Origin is free to use.
Is uBlock Origin safe to install?
uBlock Origin is published by Raymond Hill. As with any extension, review the permissions it requests before installing and remove it if you stop using it.
What are the best uBlock Origin alternatives?
The closest alternatives are Privacy Badger.
Related extensions to uBlock Origin
Picked from the Privacy & Security category and the tags ad blocker, privacy, tracker — jump straight to the alternatives and head-to-head pages people open next.
Privacy Badger alternativesLearns and blocks invisible trackers automatically.Bitwarden alternativesOpen-source password manager with autofill.uBlock Origin vs Privacy BadgerDo I need Privacy Badger if I use uBlock Origin?uBlock Origin vs BitwardenuBlock Origin or Bitwarden: which should I install?Bitwarden vs Dark Reader permissionsWhich extension permissions are risky?Bitwarden vs Privacy BadgerBitwarden or Privacy Badger: which should I install?All Privacy & Security extensionsEvery privacy & security extension in the directory, ranked.
Compare uBlock Origin with the obvious rivals
Side-by-side feature tables, pricing and a clear recommendation.
uBlock Origin vs Privacy BadgerFilter-list ad blocking against heuristic tracker blocking that learns as you browse.uBlock Origin vs BitwardenBoth are privacy & security extensions people shortlist together for privacy — see how ratings, install base, pricing and day-to-day use differ.uBlock Origin alternativesRanked replacements if uBlock Origin is not the right fit.All comparisonsThe full compare hub, grouped by category.
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