Most Popular Extensions


Password Exporter No Restart

This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.

Rated 4 out of 5 stars (321)
187,985 users


Stops javascript annoyances such as forbidden right click, forbidden text selection or cascading dialog boxes.

Rated 5 out of 5 stars (141)
187,383 users helper all-in-1 / youtube downloader No Restart helper will enable you to download files from,,,,,, and more than 40 other just in one click.

Rated 4 out of 5 stars (198)
183,148 users

Mozilla Archive Format, with MHT and Faithful Save Featured

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

Rated 4 out of 5 stars (270)
181,833 users

Self-Destructing Cookies No Restart Featured

Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.

Rated 4 out of 5 stars (432)
179,012 users

Speed Dial [FVD] - New Tab Page, Sync...

FVD Speed Dial - Speed dial button, Online Synchronization, New Tab Start Page, Organize bookmarks, Custom backgrounds, custom dials, organized groups, most visited dials.

Rated 5 out of 5 stars (1,734)
177,362 users

Image Zoom

Adds zoom and rotation functionality for images...

Rated 4 out of 5 stars (333)
170,773 users

Quick Locale Switcher

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

Rated 4 out of 5 stars (94)
169,686 users

Belgium eID

Use the Belgian electronic identity card (eID) in Firefox

Rated 3 out of 5 stars (83)
169,647 users


Helps you to save Web pages and organize the collection.

Rated 4 out of 5 stars (852)
168,043 users


Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)

Rated 4 out of 5 stars (676)
169,576 users

Live HTTP Headers

View HTTP headers of a page and while browsing.

Rated 4 out of 5 stars (157)
169,414 users

AdBlock for YouTube™ No Restart

AdBlock for YouTube™ removes all annoying Ads from YouTube

Rated 4 out of 5 stars (11)
166,693 users

Amazon "Add to Wish List" Button

Official Amazon Add-on. Add anything from any website to your Amazon Wish List.

(**NEW** now functions for all Amazon retail sites (,,,,,, and

Rated 4 out of 5 stars (46)
163,969 users

Youtube Downloader 4K - Video Downloader

Download from YouTube 4K videos and thousands other video websites.

Rated 3 out of 5 stars (17)
160,260 users

Tab Scope Featured

Preview and navigate tab contents through popup.

Rated 4 out of 5 stars (454)
159,980 users

Text Link

Allows URI texts written in webpages to be loaded by double clicks.

Rated 4 out of 5 stars (291)
158,102 users


Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Rated 4 out of 5 stars (339)
153,702 users


Manage popular downloaders (Windows, Linux, Mac) and support special links of thunder,flashget,qqdl,ed2k,magnet,fs2you.

Rated 5 out of 5 stars (81)
142,427 users

DuckDuckGo Plus No Restart Featured

DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension makes DuckDuckGo available in the address bar, search bar and right-click menu. Also adds a handy toolbar button with more features!

Rated 4 out of 5 stars (137)
152,236 users