Mozilla Firefox Plugins, Add-ons and extension Page 31 of 70

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  1. Pure URL icon
     5 likes

    This add-on automatically removes all garbage like "utm_source=*" from URLs. These fields are provided for the Google Analytics and they are not a necessity.

    • Discontinued
    • URL Cleaner
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD
    • Google Chrome
    • Haiku
    • Opera
    • Firefox
    Pure URL screenshot 1
    12 alternatives
  2. QwickUp icon
     7 likes

    Access all your favorite dictionaries and other lookup services in one place.

    Firefox and Chrome extension are available to easily select and lookup any text in web pages.

    57 alternatives
  3. PaperSpan icon
     17 likes

    PaperSpan is an easy to use, free app to save web pages for reading later. Save pages from computer or phone's browser, and open them from either.

    PaperSpan screenshot 1
    24 alternatives
  4. Perlego icon
     10 likes

    Online library of books, academic texts and tools, trusted by students worldwide. Get access to thousands of eBooks online.

    • Ebook Library
    • PaidProprietary
    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    • Firefox
    Perlego screenshot 1
    5 alternatives
  5. RSS Sage-Like icon
     4 likes

    Sage-Like is a simple, sidebar based feed reader (Atom, RSS and RDF). Like its add-on predecessors, Sage by Peter Andrews and the Sage++ by Higmmer, it's lightweight and fast.

    RSS Sage-Like screenshot 1
    RSS Sage-Like screenshot 2
    RSS Sage-Like screenshot 3
    80 alternatives
  6. Download Status Bar manages every aspect of your downloads (Launch, Show, Scan, Send To, Rename, Checksum, Pause, Resume, Cancel, Clean, Delete), generates Statistics from your Download actions, keeps the History of your previous session downloads and much more.

    • Discontinued
    • Download Manager
    • FreeProprietary
    • Mac
    • Windows
    • Linux
    • Pale Moon
    • Thunderbird
    • SeaMonkey
    • Firefox
    Download Status Bar screenshot 1
    22 alternatives
  7. All-in-One Sidebar (AiOS) is a sidebar control, inspired by Opera . Click on the left edge of your browser window to open the sidebar and get easy access to all your panels.

    • Discontinued
    • FreeProprietary
    • Mac
    • Windows
    • Linux
    • Waterfox
    • Pale Moon
    • Firefox
    All-in-One Sidebar screenshot 1
    3 alternatives
  8. OneCart icon
     1 like

    OneCart is an universal shoping cart. You can easily add any product from any online market to your cart and keep them in one place, you will always have-up-to date prices and possibility to find similar products in other markets.

    • Price Tracker
    • FreeProprietary
    • Mac
    • Windows
    • Linux
    • Online
    • Chrome OS
    • Self-Hosted
    • Google Chrome
    • Opera
    • Firefox
    OneCart screenshot 1
    6 alternatives
  9. Popup Blocker (strict) is a lightweight extension to prevent websites from opening popups. The extension pauses all sort of window opening requests for user attention. You can either accept or deny a request. Multiple unique requests are shown in an array.

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • Google Chrome
    • Opera
    • Firefox
    Popup Blocker (strict) screenshot 1
    6 alternatives
  10. KTool icon
     2 likes

    KTool.io: Send web articles, newsletters and RSS feeds to Kindle. Build a reading habit with KTool today!

    • FreemiumProprietary
    • Mac
    • iPhone
    • iPad
    • Google Chrome
    • Safari
    • Firefox
    KTool screenshot 1
    5 alternatives
  11. NopeCHA icon
     1 like

    It's a free-to-use automated CAPTCHA solver, compatible with multiple CAPTCHA types, and powered by advanced deep learning models.

    • FreeOpen Source
    • Google Chrome
    • Mozilla Firefox
    NopeCHA screenshot 1
    13 alternatives
  12. ScareMail icon
     3 likes

    ScareMail is a web browser extension that makes email “scary” in order to disrupt NSA surveillance. Extending Google’s Gmail, the work adds to every new email’s signature an algorithmically generated narrative containing a collection of probable NSA search terms.

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Safari
    • Scriptish
    • Firefox
    ScareMail screenshot 1
  13. anitrack icon
     6 likes

    This extension will keep track of the anime you're watching and synchronize your MyAnimeList or Kitsu accordingly.

    • FreeOpen Source
    • Windows
    • Hummingbird.me
    • Google Chrome
    • MyAnimeList.net
    • Crunchyroll
    • FUNimation
    • Hulu
    • Netflix
    • Firefox
    anitrack screenshot 1
    27 alternatives
  14. FaxMail icon
     2 likes

    Faxmail.co offers secure, temporary email services with a professional edge. Unlike typical temporary email providers, Faxmail.co provides user-friendly, professional email addresses (e.g., john@faxmail.co) rather than random strings.

    Homepage
    50 alternatives
  15. Prevent tabs opened by a hyperlink from hijacking the previous tab by adding the rel=noopener attribute to all hyperlinks (excluding same-domain hyperlinks).

    • FreeProprietary
    • Mac
    • Windows
    • Linux
    • Firefox
    Don't touch my tabs! screenshot 1
  16. Video Resumer icon
     2 likes

    Automatically resumes YouTube videos from where you played them last. Without this extension, for example, when you click through YouTube videos, back and forth, they always start from the beginning. No more.

    • FreeProprietary
    • Mac
    • Windows
    • Linux
    • Vivaldi Browser
    • Google Chrome
    • Opera
    • Chromium
    • Firefox
    Video Resumer screenshot 1
    1 alternatives
  17. Immersive Dual Web Page Translation Extension, supports input box translation, mouseover translation, PDF, Epub, subtitle file, TXT file translation - Immersive Dual Web Page Translation Extension.

    • Translator
    • FreemiumProprietary
    • Online
    • Microsoft Edge
    • Google Chrome
    • Safari
    • Mozilla Firefox
    • Tampermonkey
    An example of the extension providing a translation of a local document. Original is on the left, translation is on the right.
    23 alternatives