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TOOL PROFILE

Privacy Badger

A browser extension from the Electronic Frontier Foundation that learns to block some third-party trackers.

Published Oct 31, 2026Privacy fit: PrivateResearch: research only
Best forAdding a tracker-blocking layer to a supported desktop browser.
Plan typeFree
Open sourceYes
Research transparency

Product details checked on 2026-10-31.

Privacy Badger watches for third-party domains that appear to track you across sites and can block them. It is a useful extra layer, but it is not a substitute for browser settings or careful account choices. Like any extension, it can see activity needed to do its job, so install it only from its official store listing.

What it offers

  • Learns to block some third-party tracking
  • Maintained by the Electronic Frontier Foundation
  • No account needed

Limitations

  • Works only in supported browsers and cannot stop every tracking method.
  • Extension permissions are inherently sensitive.
  • Using many overlapping blockers can cause site problems.

Explore the official provider

Before deciding, review current product documentation, service terms and plan details.

Official website

Frequently asked questions

Does this tool guarantee anonymity?

No. Every product has limits, and your device, accounts, settings, and the people you communicate with still matter. Review the listed sources before relying on it.

Sources and further reading

Review source dates and policies before acting; external pages may change.

  1. privacybadger.org ↗
  2. privacybadger.org ↗