Mozilla Firefox Plugins, Add-ons and extension Page 36 of 71

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  1. 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
  2. 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
  3. 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
  4. Decodo icon
     1 like

    Advanced web scraping API offers real-time data from sites, eCommerce, and more. Features live stats, easy onboarding, and AI data parsing.

    Cost / License

    • Paid
    • Open Source (MIT)

    Platforms

    • Online
    • Google Chrome
    • Mozilla Firefox
    Decodo screenshot 1
    Decodo screenshot 1
    Decodo screenshot 2
    32 alternatives
  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. Vookmark icon
     2 likes

    Vookmark allows you to bookmark videos across the web and mobile and watch it later on your browser, Apple TV, iOS or Android devices.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • iPhone
    • iPad
    • Android
    • Android Tablet
    • Apple TV
    • Mac
    • Google Chrome
    • Firefox
    • Safari
    Vookmark screenshot 1
    Vookmark screenshot 1
    Vookmark screenshot 2
    +4
    Vookmark screenshot 3
    1 alternatives
  7. OutWit Docs icon
     1 like

    Your free Webtop document harvester. With OutWit Docs you will find text documents, datasheets, PDF files, presentations from multiple online sources

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    OutWit Docs screenshot 1
    7 alternatives
  8. OutWit Images: Your sleek, easy-to-use online image browser.

    With OutWit Images, you can automatically explore Web pages or search engine results for pictures and easily create, save, and share your collections or view them as full-screen slideshows.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    OutWit Images screenshot 1
    7 alternatives
  9. CSS Spider icon
     1 like

    The quickest and convenient way to copy, visualize, edit and export CSS.

    Farewell to "Inspect Element/ Browser Dev Tools" — View the CSS of any element you hover, immediately, and copy, export to codepen all its rules with a click.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Google Chrome
    • Firefox
    1 alternatives
  10. forlater icon
     1 like

    forlater is an email-based bookmarking service. You send us an email with a link (or links), and receive a readable, clutter-free version of the article in an email.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Online
    • Google Chrome
    • Firefox
    99 alternatives
  11. FreeCodeCompiler is a simple and easy to use IDE where you can edit, compile and run your code in the 19+ programming language of your choice.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Google Chrome
    • Safari
    • Firefox
    • Android
    • WebApps
    • Web Browser
    FreeCodeCompiler screenshot 1
    FreeCodeCompiler screenshot 1
    FreeCodeCompiler screenshot 2
    5 alternatives
  12. 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
  13. 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
  14. Quotebacks icon
     3 likes

    Quotebacks makes it easy to reference content and create dialogue with other sites by turning snippets of text into elegant, self-contained blockquote components.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Google Chrome
    • Firefox
    Quotebacks screenshot 1
    Quotebacks screenshot 1
    8 alternatives
  15. 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
  16. Initab icon
     1 like

    Initab is a Chrome New Tab Extension for developers that offers a solution to continually having too many tabs open. It also offers several useful tools to make your job as a developer easier with a quick view of your GitHub or GitLab Issue activity, Stack Overflow activity, and...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Google Chrome
    • Firefox
    Initab screenshot 1
    Initab screenshot 1
    Initab screenshot 2
    +2
    Initab screenshot 3
    10 alternatives
  17. Meduza icon
     7 likes

    Every day we bring you the most important news and feature stories from hundreds of sources in Russia and across the former Soviet Union.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Windows
    • Online
    • Android
    • iPhone
    • Telegram
    • Apple Watch
    • Vivaldi Browser
    • Google Chrome
    • Yandex.Browser
    • Opera
    • Firefox
    Web
    Apple Watch
    IPhone
    +1
    Android
    36 alternatives
  18. SpotiShush icon
     2 likes

    SpotiShush will instantly mute the browser tab once it detects an audio ad will play. After the ad finishes, SpotiShush will restore the tab's audio so you can enjoy your favorite songs again!

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Online
    • Google Chrome
    • Firefox
    SpotiShush screenshot 1
    12 alternatives
  19. 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
  20. XMTV Player icon
     10 likes

    In the beginning was the need for a player. Adobe Flash Player Alternative! Google Cast feature for Android TV.

    Cost / License

    • Free
    • Proprietary

    Application type

    Alerts

    • Discontinued

    Platforms

    • Android
    • Android Tablet
    • SAM - SlideME Application Manager
    • 1Mobile
    • Google Cast
    • Firefox
    XMTV Player is a free multimedia and online TV streams player for android made for enjoying, Easy way to monetize your video content.
    XMTV Player is a free multimedia and online TV streams player for android made for enjoying, Easy way to monetize your video content.
    XMTV Cast
    +5
    BulsatIPTV
    4 alternatives
  21. Quickly detect who is hosting any site on the web. Enter a url then click "Detect Hosting Provider" and we'll show you the associated host/ISP name and IP addresses.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Google Chrome
    • Firefox
    Who Hosts This screenshot 1
    6 alternatives
  22. 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
  23. TrackingTime icon
     9 likes

    TrackingTime is a time tracker software, with the mission to encourage companies to manage their most valuable asset: time. Time keeping is useful to manage and analyze your team’s work time, measure their productivity and boost their performance.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Google Chrome
    • Firefox
    TrackingTime screenshot 1
    TrackingTime screenshot 1
    TrackingTime screenshot 2
    +3
    TrackingTime screenshot 3
    96 alternatives
  24. 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