The best Firefox extensions for privacy

John Smith
John SmithList by John Smith, last updated 
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  1. NoScript icon
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    The NoScript Firefox extension provides extra protection for Firefox, Seamonkey and other mozilla-based browsers: this free, open source add-on allows JavaScript, Java, Flash and other plugins to be executed only by trusted web sites of your choice (e.g. your online bank).

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Google Chrome
    • SeaMonkey
    • Mozilla Firefox
    Diablog of blocked scripts
    NoScript Anwhere (Firefox Mobile version).
  2. This efficient browser add-on blocks ads, trackers, and malware by default employing various filter lists, acting as a comprehensive wide-spectrum blocker.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Microsoft Edge
    • Vivaldi
    • Google Chrome
    • Pale Moon
    • Thunderbird
    • Opera
    • Node.JS
    • Chromium
    • Mozilla Firefox
    uBlock Origin screenshot 1
    uBlock Origin screenshot 1
  3. Privacy Badger is a browser-add on tool that analyzes sites to detect and disallow content that tracks you in an objectionable, non-consensual manner. When you visit websites, your copy of Privacy Badger keeps note of the "third party" domains that embed images...

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Microsoft Edge
    • Google Chrome
    • Opera
    • Mozilla Firefox
    Overview of Privacy Badger extension
  4. LocalCDN icon
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    Emulates remote frameworks (e.g. jQuery, Bootstrap, AngularJS) and delivers them as local resource. Prevents unnecessary 3rd party requests to Google, StackPath, MaxCDN and more.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Google Chrome
    • Mozilla Firefox
    LocalCDN screenshot 1
    LocalCDN screenshot 1
  5. Control your cookies! This extension is inspired by Self-Destructing Cookies icon Self-Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Prevent tracking by other cookies and add only the ones you trust.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    • Tor Browser Bundle
    • Chromium
    • Firefox
    Toolbar. Version 2.
    Export cookie expressions white list. Version 2.
    Settings. Version 2.
    +4
    Optional notifications. Version 2.
  6. ClearURLs icon
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    This extension will automatically remove tracking elements from URLs to help protect your privacy when browse through the Internet.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Google Chrome
    • Mozilla Firefox
    • Microsoft Edge
    ClearURLs screenshot 1
    ClearURLs screenshot 1
    ClearURLs screenshot 2
    +1
    ClearURLs screenshot 3
  7. The Firefox Multi-Account Containers extension lets you carve out a separate box for each of your online lives – no more opening a different browser just to check your work email! Here is a quick video showing you how it works.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Firefox
    Firefox Multi-account Containers screenshot 1
    Firefox Multi-account Containers screenshot 1
    Firefox Multi-account Containers screenshot 2
  8. This extension helps you control more of your web activity from Facebook by isolating your identity into a separate container.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Facebook
    • Mozilla Firefox
    Facebook Container screenshot 1
  9. Easily open disposable containers that isolate attached data and are deleted after usage: Fully automatic, based on navigation-target, for certain websites, with configured mouse clicks on links or just by using the toolbar icon.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Firefox
    Temporary Containers screenshot 1
    Temporary Containers screenshot 1
    Temporary Containers screenshot 2
    +3
    Temporary Containers screenshot 3
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