Mozilla Firefox Plugins, Add-ons and extension Page 36 of 74

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  1. Modern browsers such as Mozilla Firefox can tell websites where you're located in order to provide location-aware functionality. Your geographic location is obtained through various means (eg. using wifi data) and is often highly accurate, which can be a violation of your...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Microsoft Edge
    • Google Chrome
    • Opera
    • Firefox
    Location Guard screenshot 1
    Location Guard screenshot 1
    Location Guard screenshot 2
    4 alternatives
  2. JSLinux icon
     1 like

    Run Linux or other Operating Systems in your browser!.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Google Chrome
    • Safari
    • Software as a Service (SaaS)
    • Chromium
    • Mozilla Firefox
    4 alternatives
  3. Webminal icon
     1 like

    Welcome to Webminal, the free GNU/Linux Online Terminal and Programming IDE.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Google Chrome
    • Safari
    • Ungoogled Chromium
    • Software as a Service (SaaS)
    • Chromium
    • Mozilla Firefox
    4 alternatives
  4. VisBug icon
     1 like

    Open source web design debug tools built with JavaScript: a FireBug for designers.

    Cost / License

    Platforms

    • Online
    • Microsoft Edge
    • Google Chrome
    • Safari
    • Firefox
    VisBug screenshot 1
    VisBug screenshot 1
    VisBug screenshot 2
    +1
    VisBug screenshot 3
    12 alternatives
  5. TMetric icon
     111 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
    222 alternatives
  6. Cite This! icon
     2 likes

    Use this extension to generate MLA, AMA, and APA-style citations for the websites you visit. Please send comments and feature requests/bugs to citethis@angelforge.org. Look for the Note icon in your Add-on Bar.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    Cite This! screenshot 1
    10 alternatives
  7. Font Finder icon
     8 likes

    FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

    Cost / License

    Application type

    Platforms

    • Online
    • Google Chrome
    • Opera
    • Firefox
    Font Finder screenshot 1
    22 alternatives
  8. MONKNOW icon
     4 likes

    This is the new tab you are dreaming of. Support website URL group management, data sync, dark theme mode, todo, weather, speed dial, search.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Microsoft Edge
    • Google Chrome
    • Firefox
    MONKNOW screenshot 1
    MONKNOW screenshot 1
    MONKNOW screenshot 2
    +2
    MONKNOW screenshot 3
    5 alternatives
  9. CharacterCodes.net is a comprehensive online resource for finding HTML character codes, ASCII codes, and Unicode characters.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Google Chrome
    • Microsoft Edge
    • Mozilla Firefox
    CharacterCodes.net screenshot 1
    CharacterCodes.net screenshot 1
    CharacterCodes.net screenshot 2
    +2
    CharacterCodes.net screenshot 3
    6 alternatives
  10. Always open new tabs to the right of the current one(which is not the same as setting browser.tabs.insertRelatedAfterCurrent to true). You can however get the default behaviour by:

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    9 alternatives
  11. uVPN icon
     1 like

    VPN is the fastest, limitless and the most secure Proxy utility across the Chrome webstore. Unlimited VPN was designed on the edge of cyber security technologies as an evolution of restrictions bypass extension for the most popular websites.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Google Chrome
    • Firefox
    uVPN screenshot 1
    148 alternatives
  12. Tab Auto Refresh is a multi-browser addon that helps you automatically reload tabs of your choice. In order to operate with this addon, please open toolbar popup UI while you are visiting a website. Adjust time interval in seconds (i.e. 120 sec) and you are all set.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Windows
    • Google Chrome
    • Opera
    • Firefox
    Tab Auto Refresh screenshot 1
    Tab Auto Refresh screenshot 1
    16 alternatives
  13. PreMiD icon
     4 likes

    Display what you're currently watching or listening to in your Browser on YouTube, YT Music, Netflix, Soundcloud and much more in your Discord Rich Presence.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Opera
    • Brave
    • Chromium
    • Firefox
    Example of YouTube Music Rich Presence
    Example of Twitch Rich Presence
    Example of YouTube Rich Presence
    2 alternatives
  14. notify.moe icon
     8 likes

    An anime tracker where you can add anime to your list and edit your episode progress using either the website, the chrome extension or the mobile app.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Alerts

    • Discontinued

    Platforms

    • Online
    • Google Chrome
    • Firefox
    notify.moe screenshot 1
    18 alternatives
  15. Yahoo! YSlow icon
     6 likes

    YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with the Firebug web development tool.

    Cost / License

    Alerts

    • Discontinued

    Platforms

    • Online
    • Firebug
    • Google Chrome
    • Safari
    • Opera
    • Firefox
    21 alternatives
  16. Snoozz icon
     2 likes

    Declutter your browser by snoozing tabs and windows until you actually need them. Snoozz tabs and windows now and have them reopen automatically later.

    Cost / License

    Application type

    Platforms

    • Chrome OS
    • Microsoft Edge
    • Google Chrome
    • Firefox
    Snoozz screenshot 1
    Snoozz screenshot 1
    Snoozz screenshot 2
    +1
    Snoozz screenshot 3
    3 alternatives
  17. Rite.ly icon
     8 likes

    Rite.ly is the only self-branded URL shortener with banner, popup, image/text ad, form or video Link Ads (CTAs). Start free and use in RiteBoost, RiteForge or any social publishing product. Just $15/month for unlimited brands and Link Ads.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
    • iPhone
    • iPad
    • Google Chrome
    • Firefox
    Rite.ly screenshot 1
    Rite.ly screenshot 1
    Rite.ly screenshot 2
    +3
    Rite.ly screenshot 3
    40 alternatives
  18. NetworkChuck Cloud Browser, provides users a convenient way to open links inside a NetworkChuck Cloud Browser session. The page is rendered inside the Cloud Browser session, allowing users so safely interact with the webpage.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
    • Google Chrome
    • Software as a Service (SaaS)
    • Firefox
    NetworkChuck Cloud Browser screenshot 1
    Your user profile provides you access to view and edit information related to your account.
    The in-session control panel provides the end-user with access to many tools and features that are useful for interacting with the remote desktop environment.
    +3
    NetworkChuck Cloud Browser screenshot 3
  19. 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
  20. Kjuicer icon
     10 likes

    Kjuicer lets you highlight text on the web and automatically creates a three level summary (in - depth, medium and short).

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Google Chrome
    • Firefox
    The user just needs to highlight a web page with three different colors: every color indicates a different level of importance.
    Kjuicer creates automatically a summary in three levels: the shortest, with most important information...
    a medium length summary...
    +1
    ...and the longest, with more in depth information.
    13 alternatives
  21. Passwarden icon
     8 likes

    Secures sensitive information with AES-256 and ECC p-384 encryption, generates and auto-fills passwords, synchronizes unlimited devices, and offers data migration.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Microsoft Edge
    • Google Chrome
    • Mozilla Firefox
    Passwarden screenshot 1
    Passwarden screenshot 1
    Passwarden screenshot 2
    +7
    Passwarden screenshot 3
    79 alternatives