Download Firefox Add Ons - Best Software & Apps

  • Mozilla Firefox

    54.0.1

    License
    free Download
    Platform
    Windows
    Mac
    Android

    Mozilla sets the benchmark for free web browsers

    7
    19878 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

    6
    462 votes
    • PROS:Reduces risk of Firefox crashing due to PDFs, Shows you the size of PDF files before downloading
    • CONS:Sometimes crashes when opening PDFs
  • anonymoX

    2.4.7.1

    License
    free Download
    Platform
    Windows
    Mac

    Surf anonymously with Firefox

    8
    506 votes
    • PROS:Very easy to use, Pick between geographic locales, Generally very fast
    • CONS:Not very flexible
  • Firefox 64-bit

    Nightly a1 14.0

    License
    free Download
    Platform
    Windows

    Firefox: Free Web Browser for 64-bit Operating Systems

    7
    382 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,
  • Utilu Mozilla Firefox Collection

    1.1.3.8

    License
    free Download
    Platform
    Windows

    Check how your website looks in different Firefox versions

    6
    27 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
  • Bing

    Extension 20090601

    License
    free Download
    Platform
    Windows
    iPhone
    Web Apps

    Free and Effective Online Search Engine Add-On

    7
    217 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
    132 votes
    • PROS:Control your music from your browser., Tiny install size just an optional extra., Avoid alt-tabbing.,
    • CONS:Doesn?t support 64-bit.,
  • Komodo Edit

    6.1.2

    License
    try Download
    Platform
    Windows
    Mac

    The Firefox of programming environments

    7
    56 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,
  • FireBug

    1.9.0

    License
    free Download
    Platform
    Windows
    Mac

    Web debugging made easy in Firefox

    6
    116 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
  • Pale Moon

    15.2

    License
    free Download
    Platform
    Windows

    A version of Firefox optimized for Windows

    7
    151 votes
    • PROS:Same reliability and stability as Firefox, Support for Firefox themes and add-ons
    • CONS:Some features have been left out
  • Firefox web browser

    5.0

    License
    free Download
    Platform
    iPhone

    -
    No votes yet
    • Tumblr Post

      1.16

      License
      free Download
      Platform
      Windows
      Mac

      Fantastic Firefox Add-on for Tumblr users

      7
      14 votes
      • PROS:Drag and drop content to post, Lots of settings, Incredibly easy to use
      • CONS:None!
    • UltraSurf Firefox Tool

      2.0

      License
      free Download
      Platform
      Windows

      Anonymous browsing for Firefox

      7
      97 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
    • FireFTP

      2.0.7

      License
      free Download
      Platform
      Windows

      FTP server integrated into Firefox

      6
      35 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
      79 votes
      • PROS:Saves multiple links in one go, Improves the way Firefox handles downloads
      • CONS:Requires frequent updates, Not the most user-friendly
    • Mozilla Sunbird

      Beta 1.0

      License
      free Download
      Platform
      Windows
      Mac

      Calendar application from the creator of Firefox

      8
      38 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
    • HTTPS Everywhere

      3.1.3

      License
      free Download
      Platform
      Windows
      Mac

      Activate default HTTPS while browsing with Firefox

      8
      13 votes
      • PROS:Invisible functioning, No configuration needed, Enable and disable individual sites
      • CONS:Modifying sites requires technical skill
    • Alexa Toolbar (Sparky)

      Firefox add-on 1.5.0

      License
      free Download
      Platform
      Windows

      Get Alexa rankings and other data in Firefox

      7
      4 votes
      • PROS:Instant access to Alexa data about each site you visit, Shows related sites
      • CONS:Collects basic browsing data
    • Fasterfox

      2.0.0

      License
      free Download
      Platform
      Windows
      Mac

      Superb add-on to speed-up Firefox

      7
      128 votes
      • PROS:Speeds-up Firefox instantly, Easy to configure and use
      • CONS:May increase Firefox RAM usage, Increases bandwidth usage
    • Xmarks

      for Firefox 4.0

      License
      free Download
      Platform
      Windows

      Synchronize Firefox bookmarks across multiple computers

      10
      7 votes
      • PROS:Automatically backs up your bookmarks, open tabs and browsing history, Easy step-by-setp setup process, Gets useful info about sites you visit, Suggests other interesting sites, Quick hassle-free syncing
      • CONS:Need to be comfortable having data on Xmarks servers, No longer supports password syncing
    Softonic’s Best Rated Software for this topic
    #NameVersionVotesRatingPlatform
    12.4.7.15067.9Windows, Mac
    254.0.1198787.1Windows, Mac, Android
    3Extension 200906012176.9Windows, iPhone, Web Apps
    4Nightly a1 14.03826.8Windows
    5for Firefox per Firefox 3.0.0.2.14626.1Windows