Browser Extensions for Privacy and Security

OrdinaryAlien
OrdinaryAlienList by OrdinaryAlien, last updated 
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  1. "User Agent Switcher and Manager" spoofs browser's User-Agent string. This string is used by web servers to provide content to you. Based on your browser type and operating system, web servers might provide different HTML content (like a different styling or lower...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Google Chrome
    • Opera
    • Firefox
    User-Agent Switcher and Manager screenshot 1
  2. LocalCDN icon
     Like

    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
  3. FastForward circumvents sites which make you wait (like adf.ly), make you do something (e.g., show.co and sub2unlock.com) and even trackers (such as bit.ly and t.co)!.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Microsoft Edge
    • Vivaldi Browser
    • Google Chrome
    • Opera
    • Firefox
    FastForward screenshot 1
    FastForward screenshot 1
  4. ClearURLs icon
     Like

    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
  5. Send referers only when staying on the same domain. You can whitelist domains with wildcards and configure other things, look in the preferences page of the addon in the addon manager.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    Smart Referer screenshot 1
    Smart Referer screenshot 1
  6. AdNauseam icon
     Like

    AdNauseam is a browser extension designed to obfuscate browsing data and protect users from surveillance and tracking by advertising networks.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Online
    • Google Chrome
    • uBlock Origin
    • Opera
    • Mozilla Firefox
    • Microsoft Edge
    AdNauseam screenshot 1
    AdNauseam screenshot 1
    AdNauseam screenshot 2
  7. Automatically change the user agent after specified period of time to a randomly selected one, thus hiding your real user agent.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Google Chrome
    • Mozilla Firefox
    Random User-Agent screenshot 1
    Random User-Agent screenshot 1
  8. 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
  9. HTTPS Everywhere is a browser extension produced as a collaboration between The Tor Project and the Electronic Frontier Foundation. It encrypts your communications with a number of major websites.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Vivaldi Browser
    • Google Chrome
    • Yandex.Browser
    • Opera
    • Chromium
    • Firefox
    HTTPS Everywhere screenshot 1
    HTTPS Everywhere screenshot 1
    HTTPS Everywhere screenshot 2
    +1
    HTTPS Everywhere screenshot 3
  10. 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

    Application type

    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.
  11. Bitwarden icon
     Like

    Open-source password manager with AES-256 encryption and device sync. Store and access encrypted logins across platforms like iOS and Android.

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Apple Watch
    • Snapcraft
    • Microsoft Edge
    • Vivaldi
    • Google Chrome
    • Flathub
    • Microsoft SQL Server
    • Tor Browser
    • Safari
    • F-Droid
    • Software as a Service (SaaS)
    • Flatpak
    • Cloudron
    • Opera
    • Chocolatey
    • Mono
    • Brave
    • Mozilla Firefox
    • Docker
    Bitwarden screenshot 1
    Bitwarden screenshot 1
    Bitwarden screenshot 2
    +10
    Bitwarden screenshot 3
  12. Google and Yandex search pages have the annoying habit of changing the result link when you click it. So if you right-click the link in order to copy it you get some gibberish instead of what you wanted.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • BSD
    • iPad
    • Google Chrome
    • Haiku
    • Opera
    • Firefox
    Google search link fix screenshot 1
    Google search link fix screenshot 1
  13. A simple extension that brings some of NoScript icon NoScript 's functionality to Chrome while emphasizing simplicity and intuitiveness (no affiliation to NoScript or NotScripts).

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Vivaldi Browser
    • Google Chrome
    • Opera
    • Chromium
    • Firefox
    ScriptSafe screenshot 1
  14. Advanced options and tools to easily customize appearance, behavior, performance and privacy. Browser Plugs Privacy Firewall contains dozens of features designed to help defend your device from common privacy leaks and emerging device fingerprinting techniques.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Firefox
    Menu 1
    Menu 2
    Menu 3
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