Privacy Badger by EFF Technologists
Automatically learns to block invisible trackers.
Extension Metadata
Privacy Badger automatically learns to block invisible trackers. Instead of keeping lists of what to block, Privacy Badger automatically discovers trackers based on their behavior.
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 your wishes, 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 your wishes, 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.
Report this add-on for abuse
If you think this add-on violates Mozilla's add-on policies or has security or privacy issues, please report these issues to Mozilla using this form.
Please don't use this form to report bugs or request add-on features; this report will be sent to Mozilla and not to the add-on developer.
The developer of this extension asks that you help support its continued development by making a small contribution.
This add-on needs to:
- Read and modify privacy settings
- Access browser tabs
- Access browser activity during navigation
- Access your data for all web sites
- Add-on Links
- Version
- 2021.2.2
- Size
- 1.18 MB
- Last updated
- a month ago (2 Feb 2021)
- Licence
- GNU General Public License, version 3.0
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Added a dark theme. To see it, enable dark mode in operating system or device preferences.
- Added a section to the Widget Replacement tab on the options page to manage the list of widgets that were set to be always allowed on certain sites
- Disabled network prefetching/preloading to improve privacy
- Added replacements for Dailymotion and OK.ru video player widgets
- Fixed various site breakages
- Improved translations (Simplified Chinese, Czech, French, Hebrew)
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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.