Download Firefox Add Ons - Best Software & Apps

  • Mozilla Firefox

    63.0

    License
    free Download
    Platform
    Windows
    Android
    Mac

    Mozilla sets the benchmark for free web browsers

    7
    31903 votes
    • PROS: Several built-in features, Extensive catalog of add-ons, Highly customizable, Security options, The auto-complete feature
    • CONS: Slow to start
  • PDF Download

    for Firefox per Firefox 3.0.0.2.1

    License
    free Download
    Platform
    Windows

    Choose how to open PDF files in Firefox for free

    8
    2444 votes
    • PROS: Reduces risk of Firefox crashing due to PDFs, Shows you the size of PDF files before downloading, Completely free
    • CONS: Sometimes crashes when opening PDFs
  • FireBug

    1.9.0

    License
    free Download
    Platform
    Windows
    Mac

    Web debugging made easy in Firefox

    7
    178 votes
    • PROS: Debugs instantly , FireBug icon tells you when code is broken, Much easier than scanning through your JavaScript console
    • CONS: Only supports a limited amount of languages, Only works with Firefox
  • Firefox 64-bit

    Nightly a1 14.0

    License
    free Download
    Platform
    Windows

    Firefox: Free Web Browser for 64-bit Operating Systems

    7
    416 votes
    • PROS: Private browsing protects against tracking, Optional add-ons to customise browser, Separate address/search bars improves browser security.
    • CONS: Some issues with browser freezing
  • Adblock Plus for Firefox

    2.7.3

    License
    free Download
    Platform
    Windows

    Make browsing more comfortable by getting rid of ads

    7
    850 votes
    • PROS: Excellent help, Easy to use
    • CONS: Can seem complicated at first glance
  • anonymoX

    2.4.7.1

    License
    free Download
    Platform
    Windows
    Mac

    Surf anonymously with Firefox

    8
    625 votes
    • PROS: Very easy to use, Pick between geographic locales, Generally very fast
    • CONS: Not very flexible
  • Bing

    Extension 20090601

    License
    free Download
    Platform
    Windows
    iPhone
    Web Apps

    Free and Effective Online Search Engine Add-On

    7
    387 votes
    • PROS: Similar to other search engines., Can be downloaded as an add-on to Firefox in seconds.
    • CONS: Not as many search results (arguably) as larger platforms., May block certain gaming and entertainment websites from listing within the search results.
  • Windows Media Player Plugin

    Firefox 1.0.0.8

    License
    free Download
    Platform
    Windows

    Firefox Windows Media Player Plugin Lets You Browse with Tunes

    6
    355 votes
    • PROS: Control your music from your browser., Tiny install size just an optional extra., Avoid alt-tabbing.
    • CONS: Doesn?t support 64-bit.
  • UltraSurf Firefox Tool

    2.0

    License
    free Download
    Platform
    Windows

    Anonymous browsing for Firefox

    7
    124 votes
    • PROS: Bypasses firewalls, Masks your IP address, Encrypts all of your online activities
    • CONS: Hard to tell if it's doing anything at all
  • Pale Moon

    27.9.4

    License
    free Download
    Platform
    Windows

    A version of Firefox optimized for Windows

    8
    351 votes
    • PROS: Same reliability and stability as Firefox, Support for Firefox themes and add-ons
    • CONS: Some features have been left out
  • Komodo Edit

    6.1.2

    License
    buy Download
    Platform
    Windows
    Mac

    The Firefox of programming environments

    7
    107 votes
    • PROS: Free to use, Works across platforms, Supports multiple languages, Expandable with add-ons
    • CONS: Doesn't support all languages, Some add-ons may conflict with others
  • FireFTP

    2.0.7

    License
    free Download
    Platform
    Windows

    FTP server integrated into Firefox

    7
    99 votes
    • PROS: Integrates an FTP client into Firefox, Easy to use, Saves profiles
    • CONS: Sometimes seems to drop connections
  • FlashGot

    1.5.4.1

    License
    free Download
    Platform
    Windows

    Download from Firefox using your favorite manager

    8
    203 votes
    • PROS: Saves multiple links in one go, Improves the way Firefox handles downloads
    • CONS: Requires frequent updates, Not the most user-friendly
  • Utilu Mozilla Firefox Collection

    1.1.9.1

    License
    free Download
    Platform
    Windows

    Check how your website looks in different Firefox versions

    7
    117 votes
    • PROS: Install several versions of Firefox in just one click, Includes special add-ons for webmasters and developers, Easy, straightforward installation
    • CONS: It doesn't include versions before 2.0
  • Google Toolbar for Firefox

    (Firefox) 7.1.20110316

    License
    free Download
    Platform
    Windows

    Translations, side-wikis and sharing instantly via Firefox

    7
    294 votes
    • PROS: Translates pages automatically in Firefox, Allows you to share web pages instantly, Write your own side wiki opinions of web pages, Lots of other browser enhancements
    • CONS: Can get cluttered with too many gadgets, May cause memory leak problems
  • Firefox Web Browser

    5.0

    License
    free Download
    Platform
    iPhone

    Mozilla sets the benchmark for web browsers

    9
    17 votes
    • PROS: Several built-in features, Extensive catalog of add-ons, Highly customizable, Security options, The auto-complete feature
    • CONS: Slow to start
  • WordReference Translator

    1.5.0

    License
    free Download
    Platform
    Windows

    Instant translations in Firefox thanks to WordReference

    6
    69 votes
    • PROS: Instant translation embedded in Firefox, Support for dozens of language combinations, Access to WordReference forums
    • CONS: Pop-up window is not very usable, Opens up in a whole new tab
  • RedShift

    Firefox add-on beta 3.6

    License
    free Download
    Platform
    Windows

    Give Firefox a darker look

    6
    23 votes
    • Tumblr Post

      1.16

      License
      free Download
      Platform
      Windows
      Mac

      Fantastic Firefox Add-on for Tumblr users

      8
      23 votes
      • PROS: Drag and drop content to post, Lots of settings, Incredibly easy to use
      • CONS: None!
    • Mozilla Sunbird

      Beta 1.0

      License
      free Download
      Platform
      Windows
      Mac

      Calendar application from the creator of Firefox

      8
      286 votes
      • PROS: Clean simple interface, Good complement to Firefox and Thunderbird, Features add-ons
      • CONS: No integration with Outlook's calendar or Google Calendar, Not updated very often
    Softonic’s Best Rated Software for this topic
    #NameVersionVotesRatingPlatform
    1for Firefox per Firefox 3.0.0.2.124447.9Windows
    22.4.7.16257.9Windows, Mac
    363.0319037.4Windows, Android, Mac
    42.7.38507.3Windows
    5Nightly a1 14.04166.8Windows
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