Mozilla Firefox Plugins, Add-ons and extension Page 37 of 71

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  1. Netcraft App icon
     2 likes

    Protect yourself and your organization from cybercrime by using Netcraft’s family of apps and extensions for your browser, phone, and email client.

    Cost / License

    • Free Personal
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • iPad
    • Microsoft Edge
    • Google Chrome
    • Kindle Fire
    • Opera
    • Mozilla Firefox
    Netcraft App screenshot 1
    Netcraft App screenshot 1
    Netcraft App screenshot 2
    +4
    Netcraft App screenshot 3
    25 alternatives
  2. Content Farm Terminator is a cross-platform browser extension that helps the user identify and repel content farms. It has the following features:

    Cost / License

    Platforms

    • Microsoft Edge
    • Google Chrome
    • Firefox
    Content Farm Terminator screenshot 1
    13 alternatives
  3. Menu Wizard icon
     7 likes

    Customize menus : Helps removing, moving and renaming menus and menu items New feature: Now you can change or disable any of used keyboard shortcuts Support: Firefox, Thunderbird and SeaMonkey.

    Cost / License

    • Free
    • Proprietary

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Waterfox
    • Pale Moon
    • Thunderbird
    • SeaMonkey
    • Firefox
    Menu Wizard
    Show, hide, edit and highlight menu items
    Keyboard shortcuts
    +5
    Support icons (from Default icon pack or Menu Icons Plus or others icons pack)
    2 alternatives
  4. Context Search icon
     10 likes

    Context Search is a Firefox extension that expands the context menu's 'Search for' item into a list of installed search engines, allowing you to choose a specific search engine every time.

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Waterfox
    • Pale Moon
    • Firefox
    Expands the context menu's 'Search for' item into a list of installed search engines, allowing you to choose the engine you want to use for each search.
  5. Cookies Exterminator automatically erases cookies, localStorage and IndexedDB objects when they are no longer used by open browser tabs. You don't need to use any blacklists and be concerned about how they are up to date - the unwanted data will be removed on the fly.

    Cost / License

    Application type

    Platforms

    • Linux
    • Pale Moon
    • SeaMonkey
    • Firefox
    Toolbar icon
    “Active mode” automatically delete cookies after set delay. Optional.
    Cleanup log
    +4
    Options
    8 alternatives
  6. The RegretsReporter browser extension, built by the nonprofit Mozilla, helps you take control of your YouTube recommendations.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Google Chrome
    • YouTube
    • Firefox
    RegretsReporter screenshot 1
    RegretsReporter screenshot 1
    RegretsReporter screenshot 2
    1 alternatives
  7. Urim icon
     6 likes

    Fully standalone tag cloud builder, realized as Firefox sidebar add-on, which also allows user to navigate and highlight each tag on your page. This add-on runs anywhere, where Firefox runs. Sometimes, especially on big peaces of web page text, it is very useful to analyze page...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    Urim screenshot 1
    Urim screenshot 1
    Urim screenshot 2
    +1
    Urim screenshot 3
    8 alternatives
  8. Addoncrop icon
     5 likes

    AddonCrop is an online store that offers amazing and unique addons or extensions for your web browsers. The extensions available on addoncrop.com works perfectly for Google Chrome, Mozilla Firefox, Opera, Safari, and many other browsers.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mac
    • Windows
    • UC Browser
    • Vivaldi Browser
    • Google Chrome
    • Opera
    • Chromium
    • Firefox
    Addoncrop screenshot 1
    Addoncrop screenshot 1
    Addoncrop screenshot 2
    9 alternatives
  9. PasswordMaker icon
     7 likes

    Passwordmaker creates unique, secure passwords that are very easy for you to retrieve but no one else. Nothing is stored anywhere, anytime, so there's nothing to be hacked, lost, or stolen. PasswordMaker has been around since about 2003 and so is a mature, stable, popular...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Xfce
    • Opera
    • Firefox
    78 alternatives
  10. Tab Scope icon
     7 likes

    Shows a popup on tabs and enables you to preview and navigate tab contents through popup. Major features are:

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Waterfox
    • Pale Moon
    • Firefox
    popup and toolbar
    zoom preview
    background monitoring
    2 alternatives
  11. Advanced URL Catalog is a complete bookmark management solution that will allow you to create, edit, import / export, organize bookmarks, synchronize, remove duplicates and validate your favorite Internet pages.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Windows
    • Internet Explorer
    • Vivaldi Browser
    • Google Chrome
    • Opera
    • Firefox
    3 alternatives
  12. HTML5 video provides native APIs to accelerate playback of any video, but most implemented players either hide or limit this functionality. This extension fixes that, plus more...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    Video Speed Controller screenshot 1
    Video Speed Controller screenshot 1
    9 alternatives
  13. Tab Butler icon
     2 likes

    Let’s face it. You have way too many tabs open, and it takes you AGES to find the right one when you need it most. You also spend too much time doing the same actions in your browser, and you struggle trying to find or memorize difficult shortcuts to become more efficient.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Google Chrome
    • Brave
    • Firefox
    Tab Butler screenshot 1
    Tab Butler screenshot 1
    Tab Butler screenshot 2
    5 alternatives
  14. Gives you a place to put all your add-on buttons without over-crowding the navigation bar.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    The Addon Bar (Restored) screenshot 1
    The Addon Bar (Restored) screenshot 1
    The Addon Bar (Restored) screenshot 2
    +4
    The Addon Bar (Restored) screenshot 3
  15. Vim Vixen icon
     4 likes

    Vim Vixen is a Firefox add-on which allows you to navigate with the keyboard on the browser. Firefox started to support WebExtensions API and will stop supporting add-ons using legacy APIs from version 57. For this reason, many legacy add-ons do not work on Firefox 57.

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Online
    • Firefox
    Vim Vixen screenshot 1
    Vim Vixen screenshot 1
    11 alternatives
  16. HttpWatch icon
     6 likes

    HttpWatch is an HTTP viewer and debugger that integrates with IE and Firefox to provide seamless HTTP and HTTPS monitoring without leaving the browser window. It's available as a free edition and a PRO version that cost money and has additional features.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Windows
    • Firefox
    HttpWatch screenshot 1
    23 alternatives
  17. Simple and discreet extension that enhances GitHub's search, letting you search for repositories and people faster than ever.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Google Chrome
    • Safari
    • Firefox
    Awesome Autocomplete for GitHub screenshot 1
    Awesome Autocomplete for GitHub screenshot 1
    Awesome Autocomplete for GitHub screenshot 2
    +1
    Awesome Autocomplete for GitHub screenshot 3
    8 alternatives
  18. SayAI icon
     2 likes

    SayAI WebExtension extends the ChatGPT browser interface by adding speech-to-text (ask questions using your own voice) and text-to-speech (ChatGPT speaks the answer aloud) functionality.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Microsoft Edge
    • Google Chrome
    • Mozilla Firefox
    Key features
    New controls embedded directly to ChatGPT interface
    Several text-to-speech languages supported and more can be added in the OS
    +1
    57+ speech-to-text languages supported
    41 alternatives
  19. B.S. Detector icon
     5 likes

    B.S. Detector is a browser extension that warns users about unreliable news sources. It basically searches all links on a given webpage for references to unreliable sources, checking against a manually compiled list of domains.

    Cost / License

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Microsoft Edge
    • Google Chrome
    • Safari
    • Firefox
    B.S. Detector screenshot 1
    B.S. Detector screenshot 1
    3 alternatives
  20. ShadowFox icon
     4 likes

    This project aims at creating a universal dark theme for Firefox while adhering to the modern design principles set by Mozilla.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    ShadowFox screenshot 1
    ShadowFox screenshot 1
    ShadowFox screenshot 2
    +4
    ShadowFox screenshot 3
    6 alternatives