Mozilla Firefox Plugins, Add-ons and extension Page 44 of 74

Browse 1,830 Mozilla Firefox Plugins, Add-ons and extension on AlternativeTo including popular Mozilla Firefox options.

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  1. Displays a country flag depicting the location of the current website's server. Using an offline database for arbitrary IP address to ISO country code. And provides utilities functions in right-click menu on button and also on webpage.

    Cost / License

    Platforms

    • Windows
    • Linux
    • Google Chrome
    • Opera
    • Firefox
    Country Flags & IP Whois screenshot 1
    Country Flags & IP Whois screenshot 1
    6 alternatives
  2. Chrome Logger icon
     2 likes

    Chrome Logger is a Google Chrome extension for debugging server side applications in the Chrome console.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Google Chrome
    • Firefox
    Chrome Logger screenshot 1
    Chrome Logger screenshot 1
    Chrome Logger screenshot 2
    1 alternatives
  3. Scrapyard icon
     2 likes

    Scrapyard is a bookmarking extension where you can store and organize bookmarks, page fragments, complete HTML pages and PDF documents, or take notes. It is intended as a modern alternative to the legacy ScrapBook add-on.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Google Chrome
    • Firefox
  4. Omnibang icon
     2 likes

    A very simple Chrome/Firefox extension that enables user to search many websites directly from the address bar.

    Cost / License

    • Free
    • Open Source (MIT)

    Alerts

    • Discontinued

    Platforms

    • Online
    • Google Chrome
    • DuckDuckGo
    • Firefox
    Omnibang screenshot 1
    6 alternatives
  5. Tab Groups icon
     2 likes

    Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.

    Cost / License

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Waterfox
    • Firefox
    Tab Groups screenshot 1
    Tab Groups screenshot 1
    Tab Groups screenshot 2
    +9
    Tab Groups screenshot 3
    13 alternatives
  6. Quest Portal icon
     6 likes

    Quest Portal is the most powerful virtual tabletop (VTT) for playing TTRPGs on desktop and mobile devices. Quest Portal offers a seamless blend of innovative features, allowing you to dive into thrilling adventures with friends.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Google Chrome
    • Safari
    • Firefox
    Mobile Character Sheets for Call of Cthulhu
    Homebrewing and worldbuilding with AI notes
    Icons for TTRPGs
    +8
    Quest Portal on desktop web and mobile
    16 alternatives
  7. DeskSMS icon
     6 likes

    DeskSMS forwards your text messages to your GMail, Google Chat, and DeskSMS Chrome and Firefox extension! And if you reply back, the recipient gets a text from your number!

    Cost / License

    • Paid
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Online
    • Android
    • Android Tablet
    • Google Chrome
    • Firefox
    DeskSMS screenshot 1
    DeskSMS screenshot 1
    8 alternatives
  8. This was a mail notifier for Firefox. It could check multiple Gmail accounts, including Gmail-hosted accounts. This app added an item to the status bar, and a toolbar item can be added by customizing the toolbar.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    Gmail Notifier (by Doron Rosenberg) screenshot 1
    11 alternatives
  9. MemoMe icon
     1 like

    Ever wanted to attach a memo to a web page? some personal information, which will be there on your next visits? Now you can - with MemoMe!

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Firefox
    MemoMe screenshot 1
    MemoMe screenshot 1
    MemoMe screenshot 2
  10. Jelly Party icon
     5 likes

    Jelly Party is a free Chrome & Firefox extension for watching Netflix, YouTube, Disney+ and many more streaming services remotely with friends — in sync. It features integrated text-, voice- and video-chat.

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Chrome OS
    • Google Chrome
    • Firefox
    Jelly Party screenshot 1
    Jelly Party screenshot 1
    Jelly Party screenshot 2
    +1
    Jelly Party screenshot 3
    23 alternatives
  11. Myvidster icon
     5 likes

    myVidster is a social video bookmarking and backup service that lets you collect, share and search your videos. You can also explore video collections from other users using myVidster.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Firefox
    Myvidster screenshot 1
    9 alternatives
  12. SyncPlaces icon
     4 likes

    SyncPlaces is a Firefox extension that allows you to synchronise your bookmarks and passwords between different installations of Firefox (e.g. a browser at Home and another at Work). It only works with Firefox v3 and above (but is compatible with older bookmark extensions).

    Cost / License

    • Free
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    SyncPlaces screenshot 1
    SyncPlaces screenshot 1
    SyncPlaces screenshot 2
    +1
    SyncPlaces screenshot 3
    6 alternatives
  13. ShopToList icon
     3 likes

    A universal wishlist, think Pocket, but for Shopping. Add a product you want to buy, get notifications if the price drops.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Google Chrome
    • Safari
    • Firefox
    ShopToList screenshot 1
    10 alternatives
  14. Writty icon
     1 like

    Takes notes, write your next article or book. Save as MD or HTML file and open it again. With Writty you also can export in PDF and Plain text. Includes the basic functionalities of any text editor + Dark Mode, a sleek design and RTL support.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Platforms

    • Mac
    • Mozilla Firefox
    Writty screenshot 1
    54 alternatives
  15. Clerkent icon
     1 like
    • No need to check jurisdiction-specific websites when looking for foreign cases

    Cost / License

    • Free
    • Open Source

    Platforms

    • Microsoft Edge
    • Google Chrome
    • Chromium
    • Firefox
    Clerkent screenshot 1
    Clerkent screenshot 1
    1 alternatives
  16. With this extension, you can customize smooth scrolling behavior.

    The extension is worth to use, if you are frustrated at:

    Step size for scrolling by the cursor keys is so short. A built-in smooth scrolling is somewhat less sensitive and laggy. When you flick a wheel so quick.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Firefox
    8 alternatives
  17. PdfIt icon
     3 likes

    The Pdf It! extension is designed for FireFox and runs on any platform: Windows, Mac OS X and Linux. The Pdf It! menu item will be installed at Browser-->Tools menu as well as context menu

    Cost / License

    • Free
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    PdfIt screenshot 1
    59 alternatives
  18. LinCV icon
     2 likes

    LinCV can transform your LinkedIn profile data to a beautiful printable CV with two clicks. You can also add reference data and more detailed contact information.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
    • Vivaldi Browser
    • Google Chrome
    • Brave
    • Firefox
    LinCV screenshot 1
    3 alternatives