Freeware Firefox Addons


25 free and open source downloads for Windows (32-bit/64-bit)
  • Advertisement
  • HTTPS Everywhere 2020.5.20

    HTTPS Everywhere Icon
    HTTPS Extension
    Encrypt the web: Install HTTPS Everywhere today.
    Free Open source
    1.68 MB
    10 / 8 / 7 / V / XP
    Very Good (4.5 / 5.0)
    May 28, 2020
  • Noscript for Firefox 11.0.26

    Noscript for Firefox Icon
    Firefox Extension
    Disable JavaScript in Mozilla.
    Free Open source
    14.69 KB
    Firefox
    Good (3.7 / 5.0)
    May 20, 2020
  • Firemin 6.2.3.5065

    Firemin Icon
    Firefox Leak Fixer
    Software which enables faster browsing by eliminating memory leaks in Firefox.
    Free Open source
    2.79 MB
    10 / 8 / 7 / V / XP
    Very Good (4.5 / 5.0)
    Apr 14, 2020
  • SpeedyFox 2.0.28

    SpeedyFox Icon
    Firefox Optimizer
    A browser utility which helps improve the speed of your web browser.
    Free Freeware
    678.6 KB
    10 / 8 / 7 / V / XP
    Very Good (4.4 / 5.0)
    Mar 16, 2020
  • Hola Better Internet for Firefox 1.164.901

    Hola Better Internet for Firefox Icon
    Unblock Restriction
    Allows users to bypass regional restrictions and censorship online.
    Free Freeware
    2.66 MB
    10 / 8 / 7 / V / XP
    Good (3.9 / 5.0)
    Mar 4, 2020
  • anonymoX 4.4

    anonymoX Icon
    Anonymous Navigation
    Adds some anonymizer features directly to your Firefox browser.
    Free Freemium
    1.69 MB
    10 / 8 / 7 / V / XP
    Very Good (4.3 / 5.0)
    Dec 20, 2019
  • TrackMeNot 0.10.41

    TrackMeNot Icon
    Helps protect privacy for users browsing the web.
    Free Freeware
    127.05 KB
    10 / 8 / 7 / V / XP
    Excellent (5.0 / 5.0)
    Feb 27, 2019
  • AdBlock Plus for Firefox 3.0.1

    AdBlock Plus for Firefox Icon
    Annoyed by adverts? Troubled by tracking? Bothered by banners? Install Adblock Plus now to....
    Free Freeware
    15.85 KB
    Firefox
    Excellent (4.8 / 5.0)
    Nov 15, 2017
  • FireFTP 2.0.26

    FireFTP Icon
    FTP Client
    An FTP client that fits directly into the Firefox browser.
    Free Open source
    1.02 MB
    10 / 8 / 7 / V / XP
    Very Good (4.0 / 5.0)
    Apr 19, 2016
  • Google Talk Plugin 5.41.2

    Google Talk Plugin Icon
    Adds functionality to your Google Mail and Google Voice experience.
    Free Freeware
    1.24 MB
    10 / 8 / 7 / V / XP
    Very Good (4.0 / 5.0)
    Dec 18, 2015
  • FEBE 8.8.1

    FEBE Icon
    Firefox Extension
    Provides the tools that enable you to backup Firefox stuff.
    Free Open source
    4.48 KB
    10 / 8 / 7 / V / XP
    Very Good (4.0 / 5.0)
    Dec 7, 2015
  • FireBug 2.0.13

    FireBug Icon
    Javascript Debugger
    A free browser extension for monitoring and editing web page elements.
    Free Open source
    2.5 MB
    10 / 8 / 7 / V / XP
    Very Good (4.5 / 5.0)
    Oct 27, 2015
  • Preferences Monitor 3.6.1.1

    Preferences Monitor Icon
    Keeps an eye on Firefox settings and prevents malware and adware from changing homepage and browser settings.
    Free Freeware
    40.62 KB
    10 / 8 / 7 / V / XP
    Very Good (4.0 / 5.0)
    Oct 15, 2015
  • iFamebook 4.03

    iFamebook Icon
    Facebook Visitor
    Firefox extension which displays who visits your Facebook profile.
    Free Freeware
    749.08 KB
    10 / 8 / 7 / V / XP
    Average (3.0 / 5.0)
    Mar 30, 2015
  • XPather 1.4.5

    XPather Icon
    Xpath Generator
    Evaluates XPaths while integrating DOMInspector in Firefox.
    Free Freeware
    28 KB
    10 / 8 / 7 / V / XP
    Good (3.5 / 5.0)
    Feb 18, 2015
  • All-in-One Sidebar 0.7.22

    All-in-One Sidebar Icon
    Firefox Sidebar
    A handy add-on for Firefox users.
    Free Open source
    437.64 KB
    10 / 8 / 7 / V / XP
    Excellent (5.0 / 5.0)
    May 21, 2014
  • UltraSurf for Firefox 2.0

    UltraSurf for Firefox Icon
    Provides UltraSurf functionality for Firefox users.
    Free Freeware
    22.55 KB
    10 / 8 / 7 / V / XP
    Very Good (4.1 / 5.0)
    Dec 9, 2013
  • Alexa Toolbar 2.15

    Alexa Toolbar Icon
    A toolbar which keeps traffic statistics based on browsing behaviour.
    Free Freeware
    336.8 KB
    8 / 7 / V / XP
    Excellent (5.0 / 5.0)
    Sep 3, 2012
  • Imikimi 0.5.1

    Imikimi Icon
    An online creative image editing tool for Firefox/IE/Chrome.
    Free Freeware
    1.09 MB
    10 / 8 / 7 / V / XP
    Very Good (3.9 / 5.0)
    Aug 6, 2012
  • Fasterfox 2.0.0

    Fasterfox Icon
    Network Tweaking
    Various functions which really speed up Firefox browser.
    Free Open source
    115.59 KB
    10 / 8 / 7 / V / XP
    Excellent (5.0 / 5.0)
    Jun 13, 2012
  • Yahoo! Axis 1.0

    Yahoo! Axis Icon
    Yahoo!'s entry into the browser market.
    Free Freeware
    195.56 KB
    10 / 8 / 7 / V / XP
    Excellent (5.0 / 5.0)
    May 29, 2012
  • MozBackup 1.5.1

    MozBackup Icon
    Backup & Restore Mozilla profiles.
    Free Freeware
    1011.65 KB
    10 / 8 / 7 / V / XP
    Average (2.8 / 5.0)
    May 19, 2012
  • FlashGot for Firefox

    FlashGot for Firefox Icon
    A multimedia file downloader for Mozilla Firefox.
    Free Freeware
    15.85 KB
    Firefox
    Average (3.0 / 5.0)
    Nov 16, 2011
  • Web Developer Tools for Firefox
    Web Developer Tools for Firefox Icon
    The Web Developer extension adds a menu and a toolbar with various web developer tools..
    Free Freeware
    15.84 KB
    Firefox
    Excellent (4.8 / 5.0)
    Nov 7, 2010