Up & Coming Extensions
Easily browse through sequenced URLs
FxIF Requires Restart
View EXIF data in image properties
HTML5 Loop Requires Restart
Loop HTML5 Video and Music.
Sun Cult Requires Restart
Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...
MetaProducts Integration Requires Restart
Integrate MetaProducts software with Mozilla browsers. Download links and Web sites using Mass Downloader and Offline Explorer. Save Web pages as you see them for future reference with MetaProducts Inquiry.
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
SmoothWheel Requires Restart
Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).
WikiLook Requires Restart
Leading dictionary lookup add-on. Fast, light, open source tool that define words for you without need to open new tabs or windows. Wiktionary&Wikipedia.
Ctrl or Shift or Alt + RightMouseButton click. Now with thesaurus.
70+ languages supported!
Fight back against advertising surveillance
Open With Internet Explorer sends pages from Mozilla Firefox to Internet Explorer.
1-Click YouTube Video Download Requires Restart
The simplest YouTube Video Downloader for all YouTube Flash sites, period.
RequestPolicy v0.5 Legacy Requires Restart
Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.
Persona Switcher Requires Restart
Quickly switch between your personas or reset it back to the default via a menu or the keyboard. You can also automatically rotate through all of your themes on a time interval you select. Works for Firefox, Thunderbird, and Seamonkey.
HabuL Requires Restart
Reports spam to the SpamCop, the FTC, FDA, SEC, ACMA and/or Knujon.com. It also allows you to put in your own custom addresses to report spam to such as your ISP or corporate abuse address.
"#1 Rated Firefox Youtube Video Downloader", Only one with 1080p Full-HD and 256kbps MP3 Direct Links. A clean, fast and simple addon for superfast and easy downloads in FLV, 3GP, MP3, MP4, 720p, 1080p qualities on Youtube pages.
Unsubscribe from Mailing List Requires Restart
Allows recipients to cancel their newsletter subscriptions in the thunderbird interface.
Saved Password Editor Requires Restart
Adds the ability to create and edit entries in the password manager.
Form History Control Requires Restart
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller.
Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
Control for which webpage form history is saved or not.
Now with 1080p Full-HD Support!
Download every YouTube video you want and you can download them as Full-HD MP4, FLV, 3GP, MP3, M4A and AAC formats. Easy & Fast!