Firefox Extensions

Below is a list of Extensions for the Firefox browser with an explanation for each written by their corresponding authors.

[Status bar]

These extensions are recommened by various ABS Members.

Recommended Firefox Extensions

  • Gmail Notifier
    by Doron Rosenberg
    A notifier for Gmail accounts.
  • Mouse Gestures
    by Optimoz Team
    Allows you to execute common commands (like page forward/backward, close tab, new tab) by mouse gestures drawn over the current webpage, without reaching for the toolbar or the keyboard.
  • FoxyTunes
    by Alex Sirota
    Do you listen to Music while surfing the Web? Now you can control your favorite media player without ever leaving the browser and more...
  • SessionSaver
    by rue
    SessionSaver restores your browser -exactly- as you left it, every startup, every time. Not even a crash will phase it. Windows, tabs, even things you were typing -- they're all saved.
  • Tabbrowser Preferences
    by Bradley Chapman
    Enables enhanced control for some aspects of tabbed browsing.
  • gTranslate
    by Pau
    With gTranslate you can translate any text in a webpage just by selecting and right-clicking over it.
  • Forecastfox
    by Richard Klein, Jon Stritar
    Get international weather forecasts from, and display it in any toolbar or statusbar with this highly customizable and unobtrusive extension.
  • Dictionary Tooltip
    by Rahul Jonna
    Press ctrl+shift+D (or) double-click (or) right-click after selecting a word to see its meaning. This extension is ideal for those who doesn't like to switch their window to see the meaning of a word.
  • AJAX Yahoo! Mail [Viamatic WebMail++]
    by Vivek Jishtu
    Preview your messages with a single click. Adds AJAX support to the Yahoo! mail. If you use Yahoo! mail just try it out.
  • Adsense Notifier
    by mincus
    Displays your Adsense earnings on the statusbar.
  • Web Developer
    by Chris Pederick
    Adds a menu and a toolbar with various web developer tools.
  • BugMeNot
    by Eric Hamiter
    BugMeNot allows you to access's database of user-submitted usernames and passwords to bypass the login of web sites that require compulsory registration and/or the collection of personal/demographic information (such as the New York Times) via the context menu.
  • ColorZilla
    by Alex Sirota
    Advanced Eyedropper, ColorPicker, Page Zoomer and other colorful goodies.
  • IE Tab
    by PCMan (Hong Jen Yee), yuoo2k
    IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox.
  • 1-ClickWeather
    by Stacey
    Instant local weather, alerts, radar in motion, satellite maps, and forecasts.
  • HTML Validator
    by Marc Gueury
    HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon in the status bar when browsing.
  • ChatZilla
    by James Ross, Samuel Sieb, Robert Ginda
    A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
  • SpellBound
    by Robert Strong
    SpellBound is a port of the spellchecker code and user interface from the Mozilla Suite's Composer that enables spell checking in web forms such as html textarea / input elements (html input password elements are not checked by SpellBound) and rich text form elements.
  • Mozilla Calendar
    by Mozilla Calendar Project
    A calendar client based on iCal standard.
  • Quitomzilla
    by Julio Perales
    Quitomzilla helps you quit smoking while you surf the web or wait for new emails, showing the cigarettes, money and time you have saved since you quitted.
  • U.S. Homeland Security Threat Level
    by Scott Stroz
    Displays the current Homeland Security Threat Level as an icon in the status bar.