Privacy Badger by EFF Technologists
Automatically learns to block invisible trackers.
You'll need Firefox to use this extension
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About this extension
Privacy Badger automatically learns to block invisible trackers.
Privacy Badger sends the Global Privacy Control signal to opt you out of data sharing and selling, and the Do Not Track signal to tell companies not to track you. If trackers ignore these signals, Privacy Badger will learn to block them.
Besides automatic tracker blocking, Privacy Badger replaces potentially useful trackers (video players, comments widgets, etc.) with click-to-activate placeholders, and removes outgoing link click tracking on Facebook and Google, with more privacy protections on the way.
To learn more, see the FAQ on Privacy Badger's homepage.
Privacy Badger sends the Global Privacy Control signal to opt you out of data sharing and selling, and the Do Not Track signal to tell companies not to track you. If trackers ignore these signals, Privacy Badger will learn to block them.
Besides automatic tracker blocking, Privacy Badger replaces potentially useful trackers (video players, comments widgets, etc.) with click-to-activate placeholders, and removes outgoing link click tracking on Facebook and Google, with more privacy protections on the way.
To learn more, see the FAQ on Privacy Badger's homepage.
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PermissionsLearn more
This add-on needs to:
- Read and modify privacy settings
- Access browser tabs
- Access browser activity during navigation
- Access your data for all websites
More information
- Add-on Links
- Version
- 2025.1.29
- Size
- 1.83 MB
- Last updated
- 10 days ago (Jan 29, 2025)
- Related Categories
- License
- GNU General Public License v3.0 only
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Tags
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Release notes for 2025.1.29
This is a bug fix update to fix fetching the latest fixes from EFF's CDN. Release notes for 2025.1.17 (the latest major update):
- Added widget replacement for Bluesky, Instagram and Threads embeds. Privacy Badger replaces potentially useful widgets with placeholders. These replacements protect privacy while letting you restore the original widget whenever you want it or need it for the page to function.
- Fixed various site breakages
- Restored Arabic translations
- Improved Danish, Dutch, Esperanto, French, German, Greek, Brazilian Portuguese, Russian, Spanish and Swedish translations
- Removed Catalan translations due to lack of updates
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To get help or to report bugs, please email extension-devs@eff.org. If you have a GitHub account, you can use our GitHub issue tracker.
Why does Privacy Badger need access to my data for all websites?
When you install Privacy Badger, your browser warns that Privacy Badger can “access your data for all websites”. You are right to be alarmed. You should only install extensions made by organizations you trust.
Privacy Badger requires these permissions to do its job of automatically detecting and blocking trackers on all websites you visit. We are not ironically (or unironically) spying on you. For more information, see our Privacy Badger extension permissions explainer.
Note that the extension permissions warnings only cover what the extension has access to, not what the extension actually does with what it has access to (such as whether the extension secretly uploads your browsing data to its servers). Privacy Badger will never share data about your browsing unless you choose to share it (by filing a broken site report). For more information, see EFF’s Privacy Policy for Software.