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Firefox Add-ons & Plugins for Windows

Firefox Add-ons & Plug-ins, also called Firefox add-ons or Firefox extensions, are mini software programs that... more
Firefox Add-ons & Plug-ins, also called Firefox add-ons or Firefox extensions, are mini software programs that let users add functionality to or change the look of the Mozilla Firefox Web browser. Add-ons can enhance existing features or add new ones entirely. Firefox plug-ins work with more specific technology--popular plug-ins enable Flash games, PDF viewing, or Windows video.
PDF Download

PDF Download
Free

PDF Download

Open, download, or view Adobe Acrobat files as PDF or HTML files in your browser.

Free
Editors' rating
User rating
Publisher: Nitro PDF Software Downloads: 3,254,450
Firefox Video Download Helper

Firefox Video Download Helper
Free

Firefox Video Download Helper

Download and convert Web videos from hundreds of YouTube-like sites right from Firefoxe browser.

Free
User rating
Publisher: Graugon Downloads: 363,094
Flash Video Downloader Youtube Downloader for Firefox

Flash Video Downloader Youtube Downloader for Firefox
Free

Flash Video Downloader Youtube Downloader for Firefox

Download embedded Flash videos from YouTube-type video sharing Web sites.

Free
Editors' rating
User rating
Publisher: FlashVideoDownloader Downloads: 359,751
Facebook Messenger

Facebook Messenger
Free

Facebook Messenger

Chat with Facebook friends from your Mozilla Browser.

Free
Publisher: Baris Derin Downloads: 66,907
Adblock Plus for Mozilla Firefox

Adblock Plus for Mozilla Firefox
Free

Adblock Plus for Mozilla Firefox

Block annoying ads and banners in Mozilla Firefox.

Free
Editors' rating
User rating
Publisher: Adblock Plus Downloads: 801,195
DuckDuckGo Plus for Firefox

DuckDuckGo Plus for Firefox
Free

DuckDuckGo Plus for Firefox

Search and get instant answers on your PC.

Free
User rating
Publisher: DuckDuckGo Downloads: 28,663
Hola for Firefox

Hola for Firefox
Free

Hola for Firefox

Access websites blocked in your country, company or school.

Free
User rating
Publisher: Hola Downloads: 133,768
iMacros for Firefox

iMacros for Firefox
Free

iMacros for Firefox

Automate Firefox, record and replay repetitious work.

Free
Editors' rating
User rating
Publisher: iMacros WebSite Testing and Web Scraping Downloads: 35,445
Roboform Toolbar for Firefox

Roboform Toolbar for Firefox
Free

Roboform Toolbar for Firefox

Automate password-entering and form-filling.

Free
Editors' rating
User rating
Publisher: Siber Systems Downloads: 59,787
NoScript

NoScript
Free

NoScript

Protect your computer from Java vulnerabilities while surfing with Firefox.

Free
Editors' rating
User rating
Publisher: InformAction Downloads: 93,476
Results 1 - 10 of 1,643

About Firefox Add-ons & Plugins

Firefox Add-ons & Plug-ins, also called Firefox add-ons or Firefox extensions, are mini software programs that let users add functionality to or change the look of the Mozilla Firefox Web browser. Add-ons can enhance existing features or add new ones entirely. Firefox plug-ins work with more specific technology--popular plug-ins enable Flash games, PDF viewing, or Windows video.