Apps with 'Firefox Extension' feature Page 17 of 32

All apps in Apps with 'Firefox Extension' feature category. Use the filters below to narrow down your search. 
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  1. Textmarker icon
     4 likes

    Firefox extension. Highly customizable text highlighter with different colors and save option for later visits.

    Cost / License

    Platforms

    • Windows
    • Linux
    • Firefox
    Textmarker screenshot 1
    Textmarker screenshot 1
    1 alternatives
  2. GitHub Hovercard provides neat hovercards for GitHub. It brings you instant access to user/repo/issue/commit information from anywhere on GitHub.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Google Chrome
    • Opera
    • Firefox
    GitHub Hovercard screenshot 1
    GitHub Hovercard screenshot 1
    GitHub Hovercard screenshot 2
    +3
    GitHub Hovercard screenshot 3
    8 alternatives
  3. TMetric icon
     110 likes

    TMetric is a user-friendly time tracker for freelancers and companies of any teams size. Available in German and English. With TMetric you can: set budgets for your projects; set rates; invoice your clients; see your workday on a timeline; get detailed time and money reports...

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Microsoft Edge
    • Google Chrome
    • Safari
    • Opera
    • Firefox
    Main interface
    Activity Monitoring
    Budgeting
    +6
    Detailed Report
    209 alternatives
  4. An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Firefox
    Cookie Quick Manager screenshot 1
  5. OptMeowt icon
     1 like

    OptMeowt ("Opt Me Out") is a browser extension for sending Do Not Sell signals to websites per the Global Privacy Control draft spec.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Firefox
    OptMeowt screenshot 1
    OptMeowt screenshot 1
    OptMeowt screenshot 2
    +1
    OptMeowt screenshot 3
    52 alternatives
  6. Open multiple URLs at the same time in one click! Do you check every day a few specific sites? And you're getting tired of opening them one-by-one? Start being lazy by using this add-on!

    Cost / License

    • Free
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Mozilla Firefox
    Multi URL Opener screenshot 1
    Multi URL Opener screenshot 1
    Multi URL Opener screenshot 2
  7. Fonts Ninja icon
     5 likes

    From websites to any of your design software in one click. Try fonts in your designs without buying them.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Google Chrome
    • Firefox
    Fonts Ninja screenshot 1
    Fonts Ninja screenshot 1
    Fonts Ninja screenshot 2
    +2
    Fonts Ninja screenshot 3
    8 alternatives
  8. Skip Redirect icon
     3 likes

    If you hate those obnoxious and very annoying redirects, then this is the tool for you. Skip Redirect is an add-on for Firefox that skips redirects. It works flawlessly!.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Online
    • Mozilla Firefox
    Skip Redirect screenshot 1
    Skip Redirect screenshot 1
    Skip Redirect screenshot 2
    1 alternatives
  9. Fixes the YouTube™ algorithm to remove mainstream media results from searches. A browser extension to remove Mainstream Media results from YouTube™ searches.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    De-Mainstream YouTube™ screenshot 1
  10. Wired-Marker icon
     8 likes

    Wired-Marker is a permanent (indelible) highlighter that you use on Web pages. The highlighter, which comes in various colors and styles, is a kind of electronic bookmark that serves as a guide when you revisit a Web page.

    Cost / License

    • Free Personal
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Waterfox
    • Pale Moon
    • Firefox
    Wired-Marker screenshot 1
    10 alternatives
  11. Big Search icon
     2 likes

    Collect search engines or websites then use / switch them on one UI (any website that supports GET/POST request. Even works with those don't support GET/POST). User cutomizable, with special technical features.

    Cost / License

    Platforms

    • Online
    • Microsoft Edge
    • Vivaldi Browser
    • Google Chrome
    • Opera
    • Brave
    • Chromium
    • Firefox
    Browser Addon
    Web app
    Big Search screenshot 2
    +3
    Context menu to search for selection
    9 alternatives
  12. Eight Dollars can help you tell the difference between actual verified accounts and twitter blue users on the Twitter website.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Google Chrome
    • Firefox
    Eight Dollars screenshot 1
  13. 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
  14. 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
  15. 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.
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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