Featured Extensions

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Imgur Uploader Featured

Imgur Uploader allows you to easily upload images that you stumble across on the web to Imgur, via a simple right click menu. It also allows you to share them out to your favorite social media sites instantly, and upload screenshots of webpages.

Rated 4 out of 5 stars (93)
33,386 users

Converter Featured

Contextual (inline) unit, timezone, and currency converter on any web site, plus custom conversions for offline text. Shopping assistant also included -- find the best deals online! (Currency conversions and shopping assistant disabled by default.)

Rated 5 out of 5 stars (54)
10,886 users

Classic Retweet No Restart Featured

Old school retweets for Twitter.

Rated 4 out of 5 stars (21)
4,356 users

Slim Add-ons Manager No Restart Featured

The Add-ons Manager slims down!
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.

Rated 5 out of 5 stars (34)
9,109 users

YouTube Enhancer Plus Featured

Take control of YouTube!
Download videos, convert videos to MP3 and AAC, block ads, automatically play videos in HD, watch the Top 50 and your favorite videos in sidebar while you surf, change YouTube's style, loop videos, etc..

Rated 4 out of 5 stars (61)
66,922 users

Easy Copy Featured

Copy a page's details such as its title, URL and HTML source with one click so you can paste it anywhere else such as emails, blogs and forums. Copy a single page, all open tabs or all links on a page. Format text as plain text or HTML.

Rated 5 out of 5 stars (16)
35,155 users

Gmail Notifier (restartless) No Restart Featured

Multiple account (or label) Gmail notifier (without storing passwords)

Rated 5 out of 5 stars (133)
81,870 users

FoxyProxy Standard Featured

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

Rated 4 out of 5 stars (295)
370,999 users

DuckDuckGo Plus No Restart Featured

DuckDuckGo is a search engine that does not track you. Adds DuckDuckGo as the default address bar, search bar and right-click search engine. Adds a handy toolbar button for easy access to !bang tags. Adds DuckDuckGo instant answers to Google/Bing.

Rated 4 out of 5 stars (111)
209,061 users

SearchWP Featured

Jump-to-word buttons and highlighting for the search box content

Rated 5 out of 5 stars (107)
19,334 users

EPUBReader Featured

With EPUBReader you can read ePub files just in Firefox. No additional software needed!

Rated 5 out of 5 stars (134)
453,674 users

Addictive Typing Lessons Featured

Learn touch typing, or improve your typing.

Rated 4 out of 5 stars (20)
9,651 users

Ghostery No Restart Featured

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

Rated 5 out of 5 stars (860)
1,150,883 users

Keyword Search No Restart Featured

Search in the awesome bar without changing your search engine.

Rated 5 out of 5 stars (62)
11,359 users

Add Google Search To New Tab Page Featured

An extension that adds a Google search box to the standard Firefox new tab page

Rated 4 out of 5 stars (19)
63,456 users

FB Phishing Protector No Restart Featured

Protects you from Phishing or Scams (through XSS injection attacks) while you're on Facebook™ - Version 4.2 introduces a Tracking Protection feature as well.

Rated 5 out of 5 stars (18)
42,604 users

Redirect Cleaner Featured

Redirect Cleaner cleans Redirects from Links
www.example.com?url=www.mozilla.org

Rated 4 out of 5 stars (47)
19,290 users

Multifox No Restart Featured

Multifox is an extension that allows Firefox to connect to websites using different user names. Simultaneously!

Rated 4 out of 5 stars (41)
61,883 users

Flagfox No Restart Featured

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...

Rated 5 out of 5 stars (581)
795,226 users

Pocket Featured

When you find something on the web that you want to view later, put it in Pocket. It automatically syncs to your phone, tablet or computer so you can view it at any time, even without an internet connection.

Rated 4 out of 5 stars (920)
277,292 users