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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: 3,093,770
Facebook Messenger

Facebook Messenger
Free

Facebook Messenger

Chat with Facebook friends from your Mozilla Browser.

Free
Publisher: Baris Derin Downloads: 56,130
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: 347,894
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: 354,517
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: 793,737
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: 127,821
Goo.gl Lite

Goo.gl Lite
Free

Goo.gl Lite

Shorten links on the fly with Goo.gl, Google's URL shortener.

Free
Editors' rating
Publisher: Matthew Flaschen Downloads: 24,116 External File

This software is available to download from the publisher site.

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: 23,607
AnonymoX

AnonymoX
Free

AnonymoX

Hide you true internet identity through a proxy while using Firefox browser.

Free
User rating
Publisher: anonymoX Downloads: 69,585 External File

This software is available to download from the publisher site.

Password Finder

Password Finder
Free

Password Finder

Add a find function to password manager.

Free
Editors' rating
User rating
Publisher: Kenneth Che Downloads: 117,442
Results 1 - 10 of 1,630

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.